updated 6/20/2005 Todd Bowers fixed longitude on ve-14 updated 4/29/2005 Cody Buller updated 2/8/2005 keith georef data 1984-001334 BK Relations volcanologie - magmatologie - geodynamique; application au passage entre volcanisme alcalin et andesitique dans le Sud mexicain Axe Trans-mexicain et Province Alcaline Orientale TRANSLATED TITLE Volcanology-magmatology-geodynamics relationships; application to boundary between alkaline and andesitic volcanism in South Mexico; Trans-Mexican Axis and Eastern Alkaline Province. BA Robin-C SO "Annales Scientifiques de l'Universite de Clermont, 2: Geologie, Mineralogie. 70; 1982." PB "Unite d'Enseignement et de Recherche de Sciences Exactes et Naturelles. Clermont-Ferrand, France. Pages: 503. 1982." CP France PY 1982 LA French LS English DE absolute-age; alkali-basalts; andesites-; basalts-; Cenozoic-; dates-; differentiation-; fractional-crystallization; genesis-; geochemistry-; geochronology-; geomorphology-; igneous-rocks; isotopes-; magmas-; major-elements; melange-; metals-; Mexico-; mineral-composition; monographs-; Neogene-; Nevado-de-Toluca; petrographic-norms; petrology-; Pico-de-Orizaba; plate-tectonics; Pliocene-; Popocatepelt-; Quaternary-; rare-earths; ratios-; rhyolites-; stratigraphy-; tectonophysics-; Tertiary-; trace-elements; volcanic-belts; volcanic-features; volcanic-rocks; volcanism-; volcanology- CC "05A-Igneous-and-metamorphic-petrology; 02C-Geochemistry-of-rocks,-soils,-and-sediments" DT Serial BL Monograph IL "illus. incl. 87 tables, 14 plates, anal., sketch map, geol. sketch map, sect., block diag." RF "GeoRef, Copyright 2002, American Geological Institute. Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique, Vandoeuvre-les-Nancy, France" IS 0246-1358 CO ASUCCW AN 1984-001334 UD 1984 Sample Data Item Alt_Sample_Name Location rock_Class rock_type Age Age Age_Min Age_Min Age_Max Age_Max Long Lat Loc_prec Material SiO2 TiO2 Al2O3 Fe2O3 Fe0 Fe2O3t FeOt Mn0 MgO CaO Na2O K2O P2O5 LOI H2O+ H2O- CO2 Tot. Li Be B Sc V Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Mo Sn Sb Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Au Tl Pb Th U K Ar40 Ar Rb87/Sr86 Sr87/Sr86 147Sm/144Nd Nd144/Nd143 epsilon Nd 206Pb/204Pb 207Pb/204Pb 208Pb/204Pb Delta 18 O State Units MA MA MA MA MA MA DD DD DD WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM atoms atoms permill Method 2 4 2 4 2 4 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Sample Name ZI7 3028 Zimapan Andesite volcanic 7.5 11 -99.41666667 20.66666667 0.01 whole rock 63.77 0.7 16.14 4.47 0.31 0.05 0.99 5.13 4.2 1.05 0.08 1.18 0.91 99.28 Hidalgo ZI37 3029 Zimapan Andesite volcanic 7.5 11 -99.41666667 20.6875 0.01 whole rock 52.12 0.9 17.73 1.33 6.64 0.17 5.31 8.4 3.95 1.15 0.17 1.47 0.67 100.01 Hidalgo ZI40 3030 Zimapan Andesite volcanic 7.5 11 -99.43333333 20.6875 0.01 whole rock 52.87 0.96 17.1 5.97 2.98 0.16 4.42 8.28 3.95 1.45 0.16 1.06 1.01 100.37 Hidalgo ZI41 3031 Zimapan Andesite volcanic 7.5 11 -99.45 20.69166667 0.01 whole rock 52.59 0.86 17.54 5.75 2.84 0.17 5.49 8.48 3.95 1.15 0.16 0.31 0.93 100.22 Hidalgo ZI42 3032 Zimapan Andesite volcanic 7.5 11 -99.46666667 20.69583333 0.01 whole rock 57.2 0.92 16.36 4.78 2.77 0.13 3.34 6.34 4.25 1.5 0.17 1.22 0.03 99.01 Hidalgo ZI45 3033 Zimapan Andesite volcanic 7.5 11 -99.48333333 20.7 0.01 whole rock 52.16 1.52 16.09 4.44 4.58 0.12 6.05 7.74 3.42 0.86 0.17 1.08 1.02 99.8 Hidalgo ZI47 3034 Zimapan Andesite volcanic 9 7.5 11 -98.5 20.70416667 0.01 whole rock 57.77 0.8 16.85 3.79 2.02 0.12 3.2 7.27 4.7 2.8 0.32 0.48 0.07 100.19 Hidalgo ZI48 3035 Zimapan Andesite volcanic 7.5 11 -99.5 20.70833333 0.01 whole rock 56.22 1.18 15.47 4.6 3.65 0.13 3.12 6.59 4 1.95 0.31 1.56 0.47 99.25 Hidalgo HU 6 2923 "Neck, Chicontepec" Alkali basalt volcanic 5 7.5 -98.03 20.90833333 0.01 whole rock 47.92 1.55 15.39 8.53 7.39 0.12 3.97 7.13 5.25 1.47 0.71 0.05 0.06 99.54 27 95 33 61 18 Veracruz HU 8 2924 C. Cacalote Basanite volcanic 5 7.5 -97.73333333 21.08333333 0.01 whole rock 42.08 1.83 12.97 3.72 10.84 0.09 9.87 11.99 2.97 1.15 0.6 1.52 0.4 100.03 442 51 220 50 24 948 900 Veracruz HU 10 2925 C. Texnecuila Alkali basalt volcanic 5 7.5 -97.9 21.08333333 0.01 whole rock 47.51 2.3 14.91 5.21 10.51 0.08 4.09 6.61 5.1 1.43 0.65 1.63 0.01 100.04 5 31 16 21 40 960 310 Veracruz HU 12 2926 "Neck, Chicontepec" Basalt volcanic 5 7.5 -98.03666667 20.945 0.01 whole rock 44.93 2.7 16.54 5.76 9.7 0.11 5.22 7.48 3.85 1.3 0.51 1.74 0.11 99.95 91 42 44 30 16.5 922 683 Veracruz HU 13 2927 C. Moralillo Basalt volcanic 5 7.5 -97.98333333 21.03333333 0.01 whole rock 44.94 2.56 14.83 6.41 10.14 0.08 5.86 7.6 3.58 1.25 0.53 1.92 0.02 99.72 29 50 63 24 33 1210 917 Veracruz HU 18 2928 Sierra de Tantima Basalt volcanic 5 7.5 -97.83333333 21.31666667 0.01 whole rock 47.13 1.7 14.48 6.54 6.29 0.09 6.52 9.46 2.95 1.15 0.35 1.41 1.3 99.37 325 38 115 48 21 805 290 Veracruz HU 23 2929 Sierra de Tantima volcanic 5 7.5 -97.83333333 21.3 0.01 whole rock 47.33 2.42 14.98 6.07 8.25 0.08 5.26 8.03 3.98 1 0.58 1.75 0.01 99.74 10 36 36 27 28 893 295 Veracruz HU 25 2930 Sierra de Tantima Basalt volcanic 5 7.5 -97.83333333 21.28333333 0.01 whole rock 47.35 1.84 18.78 4.11 9.3 0.12 3.14 6.43 5.4 1.5 0.59 1.39 0.43 100.38 Veracruz HU 27 2931 Sierra de Tantima Trachybasalt volcanic 5 7.5 -97.83833333 21.29166667 0.01 whole rock 48.14 1.72 19 9.7 3.92 0.1 2.07 6.05 5.1 1.8 0.56 1.14 0.66 99.96 Veracruz HU 28 2932 Cerro Chapopote Trachybasalt volcanic 5 7.5 -97.8 21.18333333 0.01 whole rock 48.65 1.41 18.31 4.84 7.56 0.1 2.52 6.61 5.46 1.85 0.64 1.77 0.2 99.92 38 1419 927 Veracruz HU 39 2933 Cerro Tepenahuac Tephrite volcanic 5 7.5 -97.96666667 20.98333333 0.01 whole rock 45.68 2.88 11.01 7.86 11.17 0.09 4.86 7.3 5.08 1.9 0.78 1.1 0.01 99.72 20 37 52 29 29.5 1117 690 Veracruz HU 41 2934 Cerro Ayacaxtle Basanite volcanic 5 7.5 -98.00333333 20.96166667 0.01 whole rock 43.87 2.6 16.48 3.93 10.83 0.12 5.3 7.85 5.2 1.6 0.69 1.52 0.22 100.21 16 40 49 55 36 1075 405 Veracruz TH 1 2935 Tlanchinol-Huejutla volcanic 5 7.5 -98.6 21.02083333 0.01 whole rock 49.9 1.8 15.65 4.94 5.6 0.15 5.65 8.8 2.52 1 0.35 1.46 0.9 98.72 81 32 31 16 24 533 228 0.2 325 28.5 1.9 0.83 4.9 1.97 3.02 0.68 Mexico TH 3 2936 Tlanchinol-Huejutla volcanic 5 7.5 -98.60333333 21.02083333 0.01 whole rock 47.45 2.22 15.6 2.57 9.14 0.17 8.65 9.7 2.63 0.8 0.45 0.8 0.49 100.67 205 41 100 25 20 706 248 0.34 251 31.3 2.4 0.88 5.04 2.51 3.31 0.9 0.70366 Hidalgo TH 4 2937 Tlanchinol-Huejutla volcanic 5 7.5 -98.60666667 21.02166667 0.01 whole rock 45.75 3 15.75 5.52 7.25 0.18 6.75 8.55 3.3 1.5 0.7 0.9 99.15 145 65 90 35 128 25 1035 380 Hidalgo TH 5 2938 Tlanchinol-Huejutla volcanic 5 7.5 -98.61 21.02166667 0.01 whole rock 48.9 2.03 14.5 3.46 8.04 0.17 7.45 8.1 2.28 1 0.57 1.68 1 99.18 245 40 158 35 124 27 732 276 0.27 450 38.3 2.7 0.91 5.82 3.37 4.27 1.04 Hidalgo TH 6 2939 Tlanchinol-Huejutla volcanic 5 7.5 -98.61333333 21.02333333 0.01 whole rock 49.55 2.18 15.5 2.4 7.79 0.17 7 9.1 2.84 1.05 0.43 0.8 0.44 99.25 138 32 42 13 24.5 774 213 0.57 405 35.6 2.35 0.87 5.6 2.7 4.05 1.02 Hidalgo TH 7 2940 Tlanchinol-Huejutla volcanic 5 7.5 -98.61666667 21.0225 0.01 whole rock 46.45 2.14 14.6 3.61 7.56 0.15 9.65 10.35 2.93 0.75 0.45 2.04 100.68 319 42 127 37 21 760 450 Hidalgo TH 7B 2941 Tlanchinol-Huejutla volcanic 5 7.5 -98.6 21.03333333 0.01 whole rock 45.8 2.25 15.3 4.68 6.6 0.16 9.6 11.4 3.45 0.9 0 0.08 100.22 Hidalgo TH 8 2942 Tlanchinol-Huejutla volcanic 5 7.5 -98.62 21.025 0.01 whole rock 46.8 2.21 16.15 7.37 4.38 0.19 6.95 9.5 2.89 0.88 0.46 2.37 100.15 290 42 116 36 91 19 734 233 0.2 345 29.9 2.43 0.85 4.74 2.77 3.15 0.81 Hidalgo TH 9 2943 Tlanchinol-Huejutla volcanic 5 7.5 -98.62 21.02333333 0.01 whole rock 46.22 2.18 16.07 4.88 6.55 0.17 7.78 9.45 3.5 1.14 0.62 1.48 100.04 Hidalgo TH 10 2944 Tlanchinol-Huejutla volcanic 5 7.5 -98.62333333 21.02416667 0.01 whole rock 48.5 1.55 15.8 6.22 4.78 0.17 6.47 8.77 2.7 0.85 0.36 3.61 99.78 86 37 33 15 22 512 216 0.15 335 28.5 2.04 0.81 4.8 1.99 2.88 0.49 Hidalgo TH 10B 2945 Tlanchinol-Huejutla volcanic 5 7.5 -98.62333333 21.02416667 0.01 whole rock 47.5 2.15 16.3 4.18 7.04 0.18 6.6 9.8 3.15 1.15 0.7 0.49 99.24 Hidalgo TH 11 2946 Tlanchinol-Huejutla volcanic 5 7.5 -98.625 21.025 0.01 whole rock 50.03 2.15 14.88 3.64 7.04 0.15 7.43 8.02 3.7 1.58 0.64 1.59 100.85 224 33 86 23 34 748 390 Hidalgo TH 11B 2947 Tlanchinol-Huejutla volcanic 5 7.5 -98.625 21.025 0.01 whole rock 49.2 2.3 15.8 3.92 6.46 0.16 7.1 8.9 3.55 1.5 0.42 0.26 99.57 Hidalgo TH 12 2948 Tlanchinol-Huejutla volcanic 5 7.5 -98.62666667 21.02083333 0.01 whole rock 56.38 1.65 13.73 4.42 3.75 0.13 5.68 5.91 4.02 2.45 0.44 2.29 100.85 246 26 154 25 78 531 240 Hidalgo TH 13 2949 Tlanchinol-Huejutla volcanic 5 7.5 -98.61666667 21.02666667 0.01 whole rock 47.2 1.92 15.63 2.33 9.57 0.17 8.63 10.14 3.07 0.81 0.42 1 100.88 224 49 133 42 105 8 540 210 Hidalgo TH 13B 2950 Tlanchinol-Huejutla volcanic 5 7.5 -98.61666667 21.02666667 0.01 whole rock 47.5 2.25 15.7 4.56 7.78 0.18 8.5 10.85 2.05 0.5 0.46 0.36 100.69 224 49 133 42 105 8 540 210 Hidalgo TH 14 2951 Tlanchinol-Huejutla volcanic 5 7.5 -98.61666667 21.025 0.01 whole rock 47.52 2.17 17.9 2.96 8.58 0.18 7.12 9.68 1.3 0.45 0.55 2.25 100.66 Hidalgo TH 14B 2952 Tlanchinol-Huejutla volcanic 5 7.5 -98.61666667 21.02833333 0.01 whole rock 48.9 2.3 16.2 4.27 6.6 0.18 7.3 8 3.5 1.5 0.09 0.64 99.48 195 55 110 30 110 30 510 335 Hidalgo TH 15 2953 Tlanchinol-Huejutla volcanic 5 7.5 -98.625 21.02916667 0.01 whole rock 47.1 2.05 16.97 4.4 7.12 0.16 7.9 11 1.52 0.5 0.47 1.43 100.42 114 45 82 34 11.5 672 168 0.12 325 22.6 2.01 0.8 4 2.19 2.58 0.56 Hidalgo TH 15B 2954 Tlanchinol-Huejutla volcanic 5 7.5 -98.625 21.02916667 0.01 whole rock 46.4 2.2 16.2 3.98 7.04 0.17 7.8 11.4 2.8 0.7 0.5 0.19 99.38 114 45 82 34 82 10.3 735 168 0.12 271 22.6 2.01 0.8 4 2.19 2.58 0.56 Hidalgo TH 16 2955 Tlanchinol-Huejutla volcanic 5 7.5 -98.63333333 21.02916667 0.01 whole rock 53.75 1.88 17.28 4.66 3.91 0.1 4.51 7.85 1.56 0.72 0.33 1.63 100.55 213 39 37 31 18.5 479 270 Hidalgo TH 16B 2956 Tlanchinol-Huejutla volcanic 5 7.5 -98.63333333 21.02916667 0.01 whole rock 50.4 1.9 16.7 4.78 4.98 0.13 4.95 8.7 3.45 1.4 0.99 0.94 99.32 Hidalgo TH 17 2957 Tlanchinol-Huejutla volcanic 5 7.5 -98.63833333 21.03 0.01 whole rock 51 1.88 17.98 2.53 7.7 0.16 7.28 7.6 1.56 0.72 0.51 1.63 100.55 234 36 83 21 34 887 755 Hidalgo TH 17B 2958 Tlanchinol-Huejutla volcanic 5 7.5 -98.63833333 21.03 0.01 whole rock 47.9 2.2 15.8 5.48 5.6 0.16 7.2 8.6 3.7 1.6 0.43 0.37 99.04 Hidalgo TH 18 2959 Tlanchinol-Huejutla volcanic 5 7.5 -98.63333333 21.00833333 0.01 whole rock 46.95 2.04 16.77 6.54 5.33 0.17 9.48 9.52 1.1 0.4 0.42 1.13 99.8 402 53 221 52 99 12 530 193 0.07 210 21.4 1.98 0.72 3.85 2.09 2.22 0.62 Hidalgo TH 19 2960 Tlanchinol-Huejutla volcanic 5 7.5 -98.64166667 21.00416667 0.01 whole rock 48 1.91 16.47 8.31 3.45 0.16 8.28 9.54 1.1 0.4 0.42 2.76 100.8 Hidalgo TH 19B 2961 Tlanchinol-Huejutla volcanic 5 7.5 -98.64166667 21.00416667 0.01 whole rock 45.7 2.2 16.6 9.14 3.38 0.19 8 9.3 2.4 0.9 0.74 1.22 99.77 Hidalgo TH 20 2962 Tlanchinol-Huejutla volcanic 5 7.5 -98.64166667 21.00416667 0.01 whole rock 48.27 1.94 17.45 7.39 3.53 0.17 7.41 10.25 1.35 0.4 0.59 1.94 100.7 160 41 68 30 20 685 550 Hidalgo TH 20B 2963 Tlanchinol-Huejutla volcanic 5 7.5 -98.65 21 0.01 whole rock 46.3 2.25 16.6 6.62 4.48 0.18 7.8 10.4 3.15 0.9 0.38 0.41 99.47 110 60 80 35 15 615 290 Hidalgo TH 21 2964 Tlanchinol-Huejutla volcanic 5 7.5 -98.6575 21.00166667 0.01 whole rock 47.45 2.15 17.75 3.72 6.38 0.16 7.5 9.8 3 0.8 0.03 0.29 99.036 140 55 80 35 15 645 255 Hidalgo TH 23 2965 Tlanchinol-Huejutla volcanic 5 7.5 -98.65 21 0.01 whole rock 48.3 1.95 18.9 3.94 5.91 0.15 5.8 9.6 3.5 0.9 0 0.35 99.3 79 36 42 31 17 810 176 0.1 295 22.9 2 0.69 3.37 2.01 2.22 0.57 Hidalgo TH 24 2966 7.6 km north of Tlanchinol volcanic 7.1 5 7.5 -98.63 21.03 0.01 whole rock 49.5 1.9 16.1 2.68 7.59 0.17 7.2 7.9 4 1.4 0 0.1 99.44 222 36 92 34 33 563 297 0.6 374 33.4 2.25 0.89 5.9 2.98 4.44 1.15 Hidalgo TH 25 2967 Tlanchinol-Huejutla volcanic 5 7.5 -98.63333333 21.00833333 0.01 whole rock 50.4 2.1 15.95 4.93 3.94 0.17 6 7.8 4 2 0.5 0.86 0.84 99.29 195 50 100 50 52 571 232 0.5 360 33.7 1.96 0.8 5.12 4.61 6.5 1.84 Hidalgo TH 26 2968 Tlanchinol-Huejutla volcanic 5 7.5 -98.63333333 21.0125 0.01 whole rock 47.7 2.45 14.7 7.25 5.72 0.17 7.1 8.6 2.9 1.2 0.79 1.32 99.91 280 65 175 50 20 530 285 Hidalgo PH 113 2969 1.5 km north of Molango Basalt volcanic 7.4 5 7.5 -98.73 20.8 0.01 whole rock 47.8 1.72 16.49 5.4 5.96 0.1 4.17 9.42 4.42 1.42 0.46 2.34 0.58 99.28 184 37 52 22 21 650 313 Hidalgo PH 119 2970 1.5 km north of Molango Basalt volcanic 5 7.5 -98.73333333 20.8 0.01 whole rock 47.87 2.21 14.8 6.03 6.33 0.18 10.98 4.06 3.1 1.4 0.23 1.02 1.26 99.97 402 50 340 46 96 24 550 305 Hidalgo PH 144 2971 Road Zacualtipan-Tlahuelompa Mugearite volcanic 5 7.5 -98.58166667 20.64666667 0.01 whole rock 55.08 0.42 15.78 2.98 3.69 0.07 3.48 5.22 5.92 3.35 0.28 2.49 0.35 99.11 90 11 41 19 115 67 370 1000 6.05 1.75 Hidalgo PH 147 2972 E of Zacaualtipan Hawaiite volcanic 5 7.5 -98.57 20.63333333 0.01 whole rock 51.36 2.12 15.16 4.27 6.94 0.14 3.06 7.33 4.4 2.2 0.26 0.56 1.38 99.18 Hidalgo PH 149 2973 E of Zacaualtipan Alkali basalt volcanic 5 7.5 -98.57 20.63333333 0.01 whole rock 49.76 2.01 15.62 4.11 7.09 0.21 6.92 8.99 4.14 1.15 100 302 40 83 69 145 21 384 250 Hidalgo PH 153 2974 E of Zacaualtipan Mugearite volcanic 5 7.5 -98.57 20.63333333 0.01 whole rock 54.26 2.39 15.1 4.62 4.68 0.15 2.57 7.14 4.85 2.38 1 0.17 99.31 27 23 7 11 105 Hidalgo PH 159 2975 Tianguistengo lava flow Hawaiite volcanic 5 7.5 -98.63333333 20.72833333 0.01 whole rock 50.14 1.78 16.87 4.92 5.2 0.18 4.76 8.08 4.05 1.9 0.1 1.33 0.7 100.01 170 28 46 28 139 38 382 225 Hidalgo PH 160 2976 Near Tianguistengo Hawaiite volcanic 5 7.5 -98.63666667 20.72166667 0.01 whole rock 50.04 1.91 12.52 7.32 5.61 0.14 6.59 8.09 3.88 1.8 0.28 0.86 0.65 99.69 382 34 137 24 92 48 672 610 Hidalgo PH 169 2977 Near Tianguistengo Basalt transitional volcanic 5 7.5 -98.65166667 20.74166667 0.01 whole rock 52.18 1.35 12.88 5.12 5.4 0.06 5.52 9.24 3.6 1.2 0.37 1.31 1 99.23 187 25 43 26 98 27 763 325 Hidalgo PH 170 2978 Near Xochicoatlan Basalt volcanic 5 7.5 -98.71 20.78166667 0.01 whole rock 49.95 1.75 14.78 2.41 7.22 0.14 7.76 6.59 4.01 2.35 0.32 1.17 0.99 99.44 345 35 204 32 95 48 531 370 Hidalgo PH 171 2979 Road to Jalamelco Alkali basalt volcanic 6.5 5 7.5 -98.69 20.8 0.01 whole rock 45.4 2.54 13.62 6.3 7.59 0.1 7.28 10.31 3.4 1.4 0.41 1.43 0.18 99.96 190 43 137 35 104 31 684 260 2.7 0.7 0.70338 Hidalgo PH 172 2980 Road to Jalamelco Basalt volcanic 5 7.5 -98.6975 20.78333333 0.01 whole rock 45.28 2.14 13.21 7.85 5.79 0.1 6.12 11.68 3.3 1.1 0.59 1.37 0.64 99.64 119 37 58 32 89 17.5 665 350 Hidalgo PH 173 2981 Road to Calnali Basalt volcanic 5 7.5 -98.63333333 20.88333333 0.01 whole rock 48.72 3.2 12.89 7.73 6.84 0.1 3.84 8.3 4.8 1.9 0.66 0.91 0.06 99.95 235 60 175 40 105 40 565 390 Hidalgo PH 175 2982 Road to Jalamelco Basalt volcanic 5 7.5 -98.69666667 20.8 0.01 whole rock 46.12 1.66 13.69 5.68 7.77 0.07 6.56 10.86 3.45 1.38 0.45 1.38 0.39 99.46 Hidalgo PH 176 2983 Road to Jalamelco Hawaiite volcanic 5 7.5 -98.69666667 20.8 0.01 whole rock 49.66 1.9 16.28 3.57 7.43 0.16 5.47 6.7 3.8 2.05 0.22 1.27 0.8 99.31 208 34 59 31 100 42 468 380 Hidalgo PH 23 2984 S of Zacualtipan Basalt volcanic 3 5 -98.62666667 20.545 0.01 whole rock 48.6 1.84 14.7 4.84 8.73 0.11 5.65 9.18 3.1 0.7 0.42 1.06 0.74 99.67 34 37 50 29 123 12 502 250 Hidalgo PH 55 2985 S of Zacualtipan Alkali basalt volcanic 3 5 -98.62916667 20.53833333 0.01 whole rock 44.71 1.94 16.94 4.81 8.32 0.22 6.02 8.12 3.9 1 0.46 0.69 1.25 98.38 107 43 68 28 125 12.5 413 280 Hidalgo PH 59 2986 S of Zacualtipan Basalt transitional volcanic 3 5 -98.62833333 20.54166667 0.01 whole rock 52.3 1.9 15.44 3.12 7.02 0.12 4.4 7.33 3.8 1.6 0.22 0.89 1 99.14 50 31 32 13 114 46.5 356 250 5.95 1.65 Hidalgo PH 135B 2987 S of Zacualtipan Ol-basalt volcanic 5.15 3 5 -98.64 20.53 0.01 whole rock 45.62 2.59 15.8 2.83 10.45 0.16 6.55 8.82 3.88 1.13 0.22 1.06 0.45 99.56 Hidalgo ME 39 2988 Massif Metepec - Tenango de Doria Trachybasalte volcanic 3 5 -98.25 20.3 0.01 whole rock 50.42 1.73 17.05 6.66 4 0.15 2.47 10.66 3.78 0.87 0.07 0.7 0.91 99.47 68 33 33 8 100 17.5 499 245 Hidalgo ME 47 2989 Massif Metepec - Tenango de Doria Trachybasalte volcanic 3 5 -98.25 20.3 0.01 whole rock 49.26 1.73 13.86 6.39 6.86 0.39 3.57 9.54 3.42 0.68 0.49 2.37 0.75 99.31 120 26 37 41 108 21.2 518 265 Hidalgo ME 62 2990 Road to Tenango de Doria Hawaiite volcanic 5.95 3 5 -98.23 20.32 0.01 whole rock 48.36 1.71 13.67 6.38 9.52 0.48 4.78 8.2 4.18 0.8 0.43 0.95 0.29 99.75 50 39 56 22 120 19 573 289 0.18 576 19.7 2.4 0.98 5.6 1.13 1.36 0.45 0.70399 Hidalgo ME 63 2991 Road to Tenango de Doria Basalt transitional volcanic 3 5 -98.24166667 20.30833333 0.01 whole rock 47.45 1.51 18.07 6.46 5.95 0.3 4.78 8.68 3.42 0.68 0.41 0.83 1.27 99.81 123 31 39 19 93 11 453 200 Hidalgo ME 77 2992 Road to Tenango de Doria Mugearite volcanic 4.6 3 5 -98.25 20.31 0.01 whole rock 50.32 2.02 15.55 5.01 5.54 0.15 4.89 8.48 4.18 1.35 0.17 1.01 1.04 99.71 176 36 48 22 141 24.5 525 312 3.05 1 Hidalgo ME 79 2993 Tenango de Doria Hawaiite volcanic 3 5 -98.23333333 20.31666667 0.01 whole rock 52.99 1.84 17.51 5.46 3.55 0.12 3.17 7.72 4.39 1.85 0.27 0.71 0.47 100.05 17 18 35 13 92 36 673 447 Hidalgo ME 80 2994 Tenango de Doria Alkali basalt volcanic 3 5 -98.225 20.33333333 0.01 whole rock 49.73 1.14 19.53 4.45 4.05 0.17 4.11 9.02 4.2 1.1 0.19 0.81 1.25 99.75 Hidalgo ME 81 2995 Tenango de Doria Alkali basalt volcanic 3 5 -98.225 20.33333333 0.01 whole rock 47.2 1.89 16.53 3.64 6.62 0.13 5.2 11.24 3.95 1.27 0.19 0.95 0.94 99.75 62 30.5 27 16 110 17.5 437 390 Hidalgo PO 49 2147 Popocatepetl Dacite volcanic 1 3 -98.59 19.09 0.01 whole rock 64.5 0.55 16 2.31 1.88 0.07 3.4 4.4 4.5 1.8 0.43 99.54 80 25 50 15 65 55 420 400 Puebla PO 50 2149 Popocatepetl Andesite volcanic 1 3 -98.54 19.08 0.01 whole rock 62 0.6 15.5 2.45 2.61 0.08 5.2 5.4 4.2 1.4 0.11 99.55 14 243 28 118 15 65 44.5 442 147 0.11 1.4 346 12.5 36 3 1.1 0.46 1.49 3.7 0.46 3.9 1.51 0.704244 0.512875 Puebla PO 51 2150 Popocatepetl Dacite volcanic 1 3 -98.55 19.07 0.01 whole rock 63 0.9 16.3 2.45 2.75 0.09 3.55 4.9 4.4 1.7 0.27 0.12 100.43 13.8 99 24 49 15 70 52 437 197 0.14 2.54 404 17.6 35.2 3.8 1.41 0.59 1.54 4.6 0.74 4.6 1.66 Puebla PO 53 2151 Popocatepetl Dacite volcanic 1 3 -98.59 19.09 0.01 whole rock 63 0.75 15.5 4.56 0.94 0.08 4.7 5 4.2 1.6 0.33 100.66 120 40 85 15 65 55 370 330 Puebla PH 13 2996 "Serie Atotonilco, Metepec" Andesitic basalt volcanic 1 3 -98.48833333 20.43666667 0.01 whole rock 51.75 1.22 18.6 4.74 4.89 0.07 4.83 8.16 3.05 0.8 0.32 1.12 0.22 99.75 10 499 600 Veracruz PH 14 2997 Serie Atotonilco Andesitic basalt volcanic 1 3 -98.71666667 20.11666667 0.01 whole rock 49 1.75 16.4 6.04 3.57 0.17 7.55 8.9 3.55 0.9 0.73 0.24 98.8 278 30 126 27 93 14 612 251 0.07 400 21 2.16 0.75 4.82 0.95 1.84 0.5 0.70431 Hidalgo PH 15 2998 Atotonilco Plateau Basalte volcanic 1 3 -98.7225 20.38333333 0.01 whole rock 48.9 2.3 16.2 7.11 4.23 0.18 6.6 8.2 3.55 1 1.09 0.33 99.69 213 35 88 19 115 16.5 475 355 0.18 425 42.3 3.15 1.36 7.07 1.35 2.05 0.52 Hidalgo PH 16 2999 "Serie Atotonilco, Los Venados" Basalte volcanic 1 3 -98.67916667 20.44333333 0.01 whole rock 47.8 1.8 18.7 2.92 5.84 0.14 5.5 9 3.45 0.8 2.5 0.46 98.91 12 615 250 Hidalgo PH 20 3000 "Serie Atotonilco, Metepec" Andesitic basalt volcanic 1 3 -98.225 20.31666667 0.01 whole rock 50.78 1.37 19.27 1.37 7.49 0.06 2.48 9.02 2.97 0.7 0.24 3.2 0.91 99.86 14.5 603 230 Hidalgo PH 21 3001 "Serie Atotonilco, Los Venados" Andesitic basalt volcanic 1 3 -98.67833333 20.43666667 0.01 whole rock 50.1 1.8 16.3 3.44 5.91 0.16 7.3 8.5 3.5 1.05 1.06 0.18 99.3 263 33 88 22 99 14.5 491 269 0.14 338 23.2 2.04 0.85 5.67 1.25 2.19 0.58 Hidalgo PH 38 3002 "Serie Atotonilco, Los Venados" volcanic 1 3 -98.68 20.4425 0.01 whole rock 51.6 1.1 15.9 3.71 4.59 0.14 7.1 8 3.2 1.1 1.36 0.36 98.56 296 25 86 24 97 20 436 290 Hidalgo PH 40 3003 "Atotonilco Plateau, 10.5 km north of Atotonilco" Basaltic andesite volcanic 2.38 1 3 -98.72 20.36 0.01 whole rock 53.77 1.2 15.15 3.39 6.3 0.07 4.91 8.66 3.55 1.2 0.4 0.73 0.26 99.59 158 21 31 17 91 25 555 463 0.70424 Hidalgo PH 44 3004 Atotonilco Plateau Basalt volcanic 1 3 -98.70083333 20.41333333 0.01 whole rock 50.5 2.05 16.7 4.63 5.47 0.17 6.5 8.4 3.3 0.8 0.85 0.32 99.69 155 32 65 15 110 22 447 271 0.24 285 30.3 2.66 1.14 5.42 1.06 1.98 0.6 Hidalgo PH 45 3005 Atotonilco Plateau Basalt volcanic 1 3 -98.68666667 20.41666667 0.01 whole rock 52.3 2.5 14.7 3.22 9.27 0.24 3.5 6.3 4.35 1.4 1 0.15 99.23 11 20 5 7 378 34 504 650 0.4 568 56.5 5.58 2.25 12.9 2.36 4.62 1.18 Hidalgo PH 46 3006 "Serie Atotonilco, Los Venados" Basalt volcanic 1 3 -98.7 20.4125 0.01 whole rock 51.2 2.6 14.95 4.69 8.39 0.23 3.65 6.5 3.9 2 0.38 0.33 98.42 24 8 191 42 450 450 Hidalgo PH 62 3007 "Atotonilco Plateau, north of road to Metztitlan" Basaltic andesite volcanic 2.56 1 3 -98.66 20.51 0.01 whole rock 51.23 1.64 16.6 6.59 5.07 0.1 5.34 8.29 3 0.8 0.36 0.8 0.39 100.21 157 31 79 24 114 14 485 280 0.11 445 26.4 2.26 0.93 5.74 1.07 2.11 0.58 0.70409 Hidalgo PH 75 3008 Atotonilco Plateau Basalt volcanic 1 3 -98.715 20.40416667 0.01 whole rock 51.77 1.22 18.95 1.27 6 0.17 6.63 8.09 4 1.5 0.47 0.01 0.19 100.27 243 25 67 17 91 21 488 360 Hidalgo PH 77 3009 Atotonilco Plateau Basalt volcanic 1 3 -98.715 20.40416667 0.01 whole rock 52.61 1.63 16.91 9.14 0.15 6.84 8.51 3.2 1.21 0.68 99.88 243 25 70 19 95 22 477 305 0.42 340 26.9 2.12 0.96 6.37 1.12 2.91 0.89 Hidalgo PH 78 3010 Atotonilco Plateau Basaltic andesite volcanic 1 3 -98.715 20.40416667 0.01 whole rock 53.72 1.18 12.4 4.16 6.86 0.07 6.36 8.76 3.61 1.1 0.38 0.76 0.14 99.5 284 28 94 30 110 21 469 280 0.42 340 27.4 2.05 0.89 6.05 1.12 2.81 0.7 Hidalgo PH 124 3011 "Serie Atotonilco, S of Atotonilco" Hawaiite volcanic 1 3 -98.65 20.27083333 0.01 whole rock 56.9 1.45 14.5 3.21 6.93 0.23 1.9 4.5 4 3 0.6 1.41 0.47 99.1 5 5 5 5 191 74 391 818 0.73 750 61.1 5.08 2.01 16.7 2.58 6.98 1.77 Hidalgo PH 125 3012 "Serie Atotonilco, S of Atotonilco" Basalt volcanic 1 3 -98.63333333 20.25 0.01 whole rock 47.49 1.68 17.05 4.94 6.36 0.09 6.44 9.14 4.2 0.85 0.51 0.96 0.66 100.37 217 36 96 27 113 10 503 350 Hidalgo PH 133 3013 "Serie Atotonilco, Amajac river" Basalt volcanic 1 3 -98.67 20.255 0.01 whole rock 49.3 2.6 16.8 6.97 2.28 0.1 4.5 10 3 1.05 1.65 1.31 99.56 190 40 50 15 90 20 580 285 Hidalgo PH 156 3014 "Serie Atotonilco, road to Venados" Basalt volcanic 1 3 -98.6725 20.44583333 0.01 whole rock 48.43 3.34 14.74 4.52 10.03 0.25 4.25 7.8 4.25 1.2 0.23 0.69 0.19 99.96 27 39 26 18 172 14.5 499 815 Hidalgo HU 30 3015 Mesa Huautla Ne-basalt volcanic 1 3 -98.255 21.065 0.01 whole rock 46.43 1.97 14.32 9.89 5.69 0.1 5.74 7.66 2.5 0.92 0.36 3.55 0.63 99.76 79 38 41 48 15 510 280 Hidalgo HU 35 3016 Mesa Huautla Basalt volcanic 1 3 -98.27833333 21.04 0.01 whole rock 47.03 3.08 13.54 5.91 9.99 0.14 5.17 8.36 3.1 0.85 0.57 1.29 0.86 99.89 43 40 40 28 31 118 443 Hidalgo PR 2 3017 Poza Rica flows Alkali basalt volcanic 1 3 -97.5 20.53333333 0.01 whole rock 46.51 2 16.2 3.41 8.64 0.1 6.65 8.94 3.5 1 0.36 1.64 0.82 99.77 Veracruz PR 7 3018 Poza Rica flows Alkali basalt volcanic 1 3 -97.51666667 20.525 0.01 whole rock 47 4.8 14.03 4.61 8.67 0.11 4.9 8.65 3.7 0.9 0.42 1.11 0.89 99.79 Veracruz PR 10 3019 Poza Rica flows Alkali basalt volcanic 1 3 -97.48333333 20.545 0.01 whole rock 48.91 1.18 14 9.9 4.55 0.1 4.81 8.75 3.8 0.88 0.46 1.42 0.76 99.52 41 42 61 51 18 415 160 Veracruz HU2 3020 Mesa Metlaltoyuca Basalt volcanic 1 3 -97.813483 20.333 0.01 whole rock 48.28 1.23 17.13 8.27 5.04 0.12 2.72 9.07 3.42 0.78 0.43 1.4 0.59 98.48 42 42 62 80 18 522 150 Puebla PH 123 3021 "Serie Pachuca, Road Pachuca-Tulancingo" Basaltic andesite volcanic 1 3 -98.58333333 20.03333333 0.01 whole rock 52.6 1.8 16.9 3.83 5.11 0.14 5.5 8 3.6 1.4 0.21 0.18 99.27 19 27 44 14 86 32 427 203 1.15 285 17.2 1.87 0.77 4.49 1.04 2.68 1.06 0.70443 Hidalgo PH 179 3022 "Serie Pachuca, 9 km Sw of Tulancingo" Basalt volcanic 1 3 -98.45 20.05833333 0.01 whole rock 50.2 2 16.2 4.44 5.91 0.17 6.4 8.1 3.6 1.35 0.42 0.27 99.06 213 29 111 24 115 22 468 440 0.34 440 41.8 3.05 1.17 8.41 1.73 2.54 0.71 Hidalgo PH 180 3023 "Serie Pachuca, Road Mexico-Tulancingo km. 54" Andesite volcanic 1 3 -98.53333333 19.96666667 0.01 whole rock 57.7 1 17.6 3.98 2.46 0.09 3.3 5.9 3.15 1.35 2.76 0.43 98.72 79 11 42 8 65 30 445 455 Hidalgo PH 181 3024 "Serie Pachuca, Road Mexico-Tulancingo km. 70" Basalt volcanic 1 3 -98.33333333 20.05833333 0.01 whole rock 52.6 1.6 16.4 3.62 5.03 0.14 6.8 7.9 3.6 1.4 0.19 0.2 99.48 184 26 116 24 137 28 418 275 0.44 27.5 1.82 0.83 5.8 1.05 3.01 0.81 Hidalgo PH 182 3025 "Serie Pachuca, Tepeapulco flows" volcanic 1 3 -98.53333333 19.95 0.01 whole rock 62.1 0.8 17.7 2.21 2.7 0.1 2.8 5.6 4.65 1.4 0.2 0.16 0.07 100.49 10 40 25 65 31 444 415 Hidalgo PH 183 3026 "Serie Pachuca, Tepeapulco flows" Andesite volcanic 1 3 -98.53333333 19.93333333 0.01 whole rock 55.7 1.3 16.6 3.01 4.59 0.14 4.3 6.8 3.8 2 0.65 0.41 0.33 99.63 4 40 30 20 110 47 449 570 Hidalgo PH 184 3027 "Serie Pachuca, Road Mexico-Tulancingo km. 79" Basalt volcanic 1 3 -98.33333333 20.05833333 0.01 whole rock 53.9 1.5 16.6 2.8 4.78 0.13 5.2 7.6 3.65 1.6 0.15 0.6 0.5 99.01 110 30 75 25 115 35 430 530 Hidalgo NE1 Nevado de Toluca lava volcanic 1 3 -99.76 19.11 0.01 whole rock 63.8 0.65 16.65 2.12 1.69 0.07 2 3.85 4.45 2 1.3 0.4 99.98 130 55 90 60 85 620 370 Mexico NE10 W Nevado block volcanic 1 3 -99.82 19.13 0.01 whole rock 65 0.65 16.9 2.33 1.23 0.06 1.8 4.1 4.7 2.1 0.79 0.09 99.75 20 20 15 15 80 40 680 320 Mexico NE11 W Nevado lava volcanic 1 3 -99.82 19.13 0.01 whole rock 65.9 0.65 16 1.65 2.03 0.06 1.85 3.9 4.9 2.1 0.81 0.18 100.03 Mexico NE15 near Tenancingo bims volcanic 1 3 -99.62 18.97 0.01 whole rock 64.3 0.55 15.9 1.85 1.75 0.07 1.8 3.95 4.5 1.95 2.32 0.28 99.22 25 15 10 15 75 45 440 310 Mexico NE16 near Tenancingo lava volcanic 1 3 -99.62 18.97 0.01 whole rock 59.9 0.85 16.9 3.05 2.39 0.09 3.4 5.5 4.65 1.9 0.68 0.3 99.61 50 25 20 20 95 45 640 350 Mexico NE17 near Tenancingo lava volcanic 1 3 -99.62 18.97 0.01 whole rock 59.5 0.8 17.3 2.42 2.68 0.09 3.4 5.5 4.2 2.35 1.01 0.21 99.46 40 25 20 15 85 45 610 300 Mexico NE18 S Tenancingo lava volcanic 1 3 -99.65 18.9 0.01 whole rock 58.8 0.95 15.3 2.55 3.2 0.1 7.6 6.2 3.6 1.45 0.82 0.13 100.7 135 40 240 35 85 30 490 220 Mexico NE19 near Tenancingo lava volcanic 1 3 -99.62 18.97 0.01 whole rock 62.95 0.6 15.6 1.91 2.19 0.06 3.2 4.3 4 2.35 1.6 0.4 99.16 80 20 50 20 75 50 420 315 Mexico NE2 Nevado de Toluca lava volcanic 1 3 -99.76 19.11 0.01 whole rock 63.4 0.65 16.8 2.2 1.81 0.07 2.5 4.85 4.3 1.9 0.1 0.3 99.88 65 15 20 5 80 40 435 345 Mexico NE20 S Tenancingo boulder volcanic 1 3 -99.65 18.9 0.01 whole rock 62.9 0.6 16.6 1.85 2.03 0.06 2.9 4 4.3 2.35 1.47 0.2 99.26 Mexico NE23 W Nevado block volcanic 1 3 -99.85 19.08 0.01 whole rock 63.9 0.65 16 2.4 1.75 0.07 3 4.4 4.7 1.95 0.78 0.35 99.95 60 20 45 15 75 35 720 310 Mexico NE3 NW Nevado de Toluca lava volcanic 1 3 -99.8 19.13 0.01 whole rock 57.3 0.9 18 3.93 2.68 0.1 3.9 6.7 4 1.8 0.34 0.56 100.21 20 25 20 10 100 35 690 385 Mexico NE4 NW Nevado de Toluca lava volcanic 1 3 -99.8 19.13 0.01 whole rock 62.3 0.85 17.5 2.27 2.46 0.08 2.8 5.2 4.7 2 0.3 0.18 100.64 Mexico NE5 NW Nevado bims volcanic 1 3 -99.8 19.13 0.01 whole rock 60.6 0.75 17.7 2.51 1.61 0.07 2.1 4.2 4.5 1.6 2.7 0.8 99.14 Mexico NE8 Nevado de Toluca lava volcanic 1 3 -99.76 19.11 0.01 whole rock 64.7 0.75 16.4 2.35 1.75 0.07 2.05 3.65 4.9 1.95 0.35 0.3 99.22 Mexico PO 54 Popocatepetl volcanic 1 3 -98.58 19.08 0.01 whole rock 62.8 0.7 16.1 3.41 1.88 0.08 4.05 5 4.25 1.35 0.16 0.04 99.82 120 30 85 15 65 55 425 405 Puebla PU1 El Seco lava volcanic 1 3 -97.64 19.14 0.01 whole rock 53.9 0.95 17 2.18 5.25 0.13 6.9 7.7 3.9 1.35 0.39 0.14 99.79 336 35 142 29 68 54 420 1420 0.70442 Puebla PU10 Orizaba-Cd. Mendoza lava volcanic 1 3 -97.13 18.83 0.01 whole rock 50.6 1.05 16.3 4.63 3.94 0.16 8.2 10 3.2 1.4 0.33 0.5 100.31 320 50 95 40 70 40 470 490 Veracruz PU100 E Cd. Cerdan lava volcanic 1 3 -97.37 18.98 0.01 whole rock 57.5 0.95 16.5 3.5 3.15 0.1 5.6 7.4 4.15 1.25 0.5 0.03 100.63 110 40 85 35 65 20 685 365 Puebla PU104 E Cd. Cerdan lava volcanic 1 3 -97.37 18.98 0.01 whole rock 57.1 0.95 17.4 3.25 2.93 0.1 4.2 6.3 4.7 1.45 0.49 0.16 99.3 Puebla PU105 W Citla bombe volcanic 1 3 -97.38 19.1 0.01 whole rock 59.6 0.85 16.1 3.91 2.42 0.11 4.6 7.1 3.8 1.65 0.4 0.1 100.64 45 35 45 40 65 35 580 355 Puebla PU108 W Citla bombe volcanic 1 3 -97.4 19.05 0.01 whole rock 65 0.85 16 2.86 1.39 0.08 2.4 4.8 4.5 2.25 0.51 100.64 30 25 30 15 55 50 525 495 Puebla PU109 W Coscomatepec pyroklastic volcanic 1 3 -97.08 19.08 0.01 whole rock 63.4 0.6 17 3 1.17 0.07 1.7 4.7 4.85 1.55 1.16 99.2 25 20 5 55 30 525 450 Veracruz PU11 Orizaba-Cd. Mendoza lava volcanic 1 3 -97.13 18.83 0.01 whole rock 58.6 0.6 14.9 2.83 2.77 0.1 5.6 6.5 4 1.7 0.77 0.03 98.5 222 16 68 30 63 38 434 515 Veracruz PU110 W Coscomatepec bombe volcanic 1 3 -97.1 19.08 0.01 whole rock 56 1.05 16.9 3.16 3.55 0.12 4.5 6.6 4.3 2 0.77 0.15 99.1 75 40 45 35 85 50 450 480 Veracruz PU111 Chocaman pyroklastic volcanic 1 3 -97.05 19.02 0.01 whole rock 63.6 0.6 16.7 1.92 2.05 0.08 2.5 5.7 4.1 1.55 0.25 0.05 99.1 Veracruz PU112 Balastrera bombe volcanic 1 3 -97.23 18.82 0.01 whole rock 59.1 0.65 16.1 3.35 2.93 0.1 4.3 6.5 3.8 1.65 0.5 0.12 99.1 25 35 25 40 80 40 455 375 Veracruz PU113 Perote bims volcanic 1 3 -97.24 19.58 0.01 whole rock 69 0.8 13.4 1.19 0.73 0.06 0.35 1.1 3.7 4.75 4.25 0.42 99.75 Veracruz PU117 NE Citla lava volcanic 1 3 -97.23 19.05 0.01 whole rock 64.5 0.65 16.5 3.53 0.87 0.07 2.2 4.6 4.6 2.4 0.41 0.1 100.43 20 25 20 15 60 40 705 640 Veracruz PU12 Orizaba-Cd. Mendoza lava volcanic 1 3 -97.13 18.83 0.01 whole rock 60.5 14.8 3.14 2.4 0.1 5.5 6.5 3.8 1.7 0.26 99.35 210 15 61 22 55 40 440 157 0.84 505 15.6 1.11 0.46 3.87 0.41 3.73 1.38 0.70455 Veracruz PU120 N Hidalgo bims volcanic 1 3 -97.32 19.1 0.01 whole rock 61.6 0.6 16 2.39 1.59 0.06 1.8 3.8 4.3 2.4 3.78 0.69 99.01 10 20 15 15 55 55 625 650 Puebla PU122 Loma Grande lava volcanic 1 3 -97.23 18.93 0.01 whole rock 66.1 0.6 15.9 3.2 0.36 0.05 1.8 3.8 4.6 2.1 0.96 0.31 99.87 10 20 20 15 55 35 770 535 Veracruz PU124 Loma Grande lava volcanic 1 3 -97.23 18.93 0.01 whole rock 59.8 0.6 17.5 2.95 2.39 0.09 3.5 5.8 4.5 2.15 0.46 0.22 99.96 30 30 30 30 75 35 735 605 Veracruz PU125 Loma Grande lava volcanic 1 3 -97.23 18.93 0.01 whole rock 57.6 0.65 17.4 0.77 4.71 0.09 5.2 6.5 4.3 1.9 0.5 0.07 99.69 80 35 85 30 75 30 715 490 Veracruz PU126 Loma Grande lava volcanic 1 3 -97.23 18.93 0.01 whole rock 63.4 0.5 17.1 2.19 1.81 0.07 2.2 4.6 4.6 2.2 1 0.03 99.7 15 25 20 15 60 45 660 550 Veracruz PU128 E Loma Grande lava volcanic 1 3 -97.18 18.93 0.01 whole rock 62.5 0.5 17.6 2.67 1.74 0.08 2 4.65 4.7 2.6 0.49 0.15 99.68 10 20 20 15 70 50 710 615 Veracruz PU129 E Loma Grande lava volcanic 1 3 -97.18 18.93 0.01 whole rock 62.6 0.6 16.8 2.49 2.17 0.08 2.9 4.95 4.4 2.5 0.49 0.09 100.07 40 20 25 20 65 50 610 570 Veracruz PU13 near Maltrata lava volcanic 1 3 -97.23 18.82 0.01 whole rock 60.1 0.65 15.9 2.39 2.99 0.1 5.1 6.1 4 1.75 0.4 0.05 99.35 190 13 58 27 54 57 451 510 Veracruz PU130 E Loma Grande lava volcanic 1 3 -97.18 18.93 0.01 whole rock 62.2 0.5 18.3 2.8 1.67 0.08 1.8 4.45 4.7 2.6 0.36 0.22 99.68 10 20 20 15 65 50 715 620 Veracruz PU131 E Loma Grande lava volcanic 1 3 -97.18 18.93 0.01 whole rock 61.4 0.45 17.9 2.54 1.81 0.07 2 4.65 4.6 2.6 0.85 0.21 99.08 10 20 20 15 60 50 730 600 Veracruz PU134 E Loma Grande lava volcanic 1 3 -97.23 19.05 0.01 whole rock 72.8 0.1 15.5 0.81 0.58 0.06 0.35 1.4 4.8 3.8 0.25 0.02 100.47 10 <5 45 80 305 760 Veracruz PU136 E Loma Grande lava volcanic 1 3 -97.23 19.05 0.01 whole rock 59.4 0.65 17.8 4.43 1.59 0.1 3.8 5.9 4.55 2 0.08 0.15 100.45 45 35 30 15 70 35 705 580 Veracruz PU14 N Maltrata lava volcanic 1 3 -97.28 18.85 0.01 whole rock 61.2 0.65 17.1 2.22 2.33 0.08 2.6 5.2 4.65 2 0.87 98.9 27 5 14 16 54 44 501 162 1.34 640 17.8 1.17 0.44 4.01 0.47 4.07 1.51 Puebla PU140 Cosmocatepec lava volcanic 1 3 -97.13 19.08 0.01 whole rock 61.5 0.65 18 2.87 2.1 0.08 2.7 5.5 4.7 2.4 0.05 0.08 100.63 5 30 20 15 70 35 740 550 Veracruz PU145 Cosmocatepec lava volcanic 1 3 -97.13 19.08 0.01 whole rock 63 0.55 17 3.36 1.3 0.07 2.8 5.6 4.45 1.9 0.04 0.03 100.07 25 25 30 15 65 25 1035 405 Veracruz PU148 Cosmocatepec lava volcanic 1 3 -97.18 19.08 0.01 whole rock 62.2 0.8 16.5 3.17 1.74 0.08 3.1 5.6 4.3 2.3 0.1 0.08 99.97 25 30 35 15 70 30 1085 530 Veracruz PU15 N Maltrata lava volcanic 1 3 -97.27 18.87 0.01 whole rock 58.25 0.65 16.5 2.76 2.92 0.1 5.1 6.6 3.9 1.5 0.57 0.17 99.02 167 16 55 20 56 47 525 1550 Puebla PU16 N Maltrata lava volcanic 1 3 -97.32 18.85 0.01 whole rock 49.9 1.05 15.9 3.3 5.4 0.15 9.35 9.4 3.45 0.85 0.4 0.28 99.43 470 32 132 52 78 36 429 149 0.43 1240 13.4 1.63 0.61 3.38 0.33 2.04 0.68 Puebla PU17 N Maltrata lava volcanic 1 3 -97.32 18.85 0.01 whole rock 50.6 1.2 15.3 5.12 3.86 0.15 8.7 8.9 3.4 1.05 0.98 0.39 99.65 528 32 132 55 79 20 399 146 0.27 335 13.8 1.57 0.58 3.19 0.33 1.98 0.61 0.70453 Puebla PU18 near Cd. Cerdan lava volcanic 1 3 -97.45 18.99 0.01 whole rock 56 0.75 17.2 3.69 3.35 0.12 5.75 7.5 3.75 1.15 0.46 0.64 100.36 115 35 50 40 70 20 590 225 Puebla PU19 9.5km S El Seco lava volcanic 1 3 -97.64 19.04 0.01 whole rock 55.8 1.05 16.2 2.39 4.38 0.13 6.2 6.5 4 1.7 0.79 99.14 311 21 137 26 69 42 387 550 Puebla PU2 El Seco lava volcanic 1 3 -97.64 19.14 0.01 whole rock 53.2 1.25 17 1.8 6.13 0.14 7.1 7.65 3.75 1.15 0.01 0.2 99.47 249 32 115 19 86 44 463 1100 Puebla PU20 20km E Texcoco-Los Linderos lava volcanic 1 3 -98.71 19.56 0.01 whole rock 49.3 1.6 17.15 4.11 5.4 0.16 7.9 8.9 3.75 0.75 0.03 0.22 99.77 357 38 152 26 79 24 445 260 Mexico PU21 E Texcoco lava volcanic 1 3 -98.76 19.56 0.01 whole rock 61.8 0.65 17 2.34 2.04 0.08 2.8 4.95 3.9 2.5 1.03 0.25 99.34 55 8 25 6 63 68 414 600 Mexico PU22 S de Los Humeros dacite-ryolite volcanic 1 3 -97.39 19.52727273 0.01 whole rock 74.4 13.8 1.02 0.44 0.05 0.1 1 4.5 3.9 0.01 99.22 Mexico PU23 S de Los Humeros dacite-ryolite volcanic 1 3 -97.39 19.52727273 0.01 whole rock 75.2 0.15 14 0.52 0.44 0.08 0.1 0.8 4.7 3.55 0.15 0.08 99.77 Puebla PU24 S de Los Humeros dacite-ryolite volcanic 1 3 -97.39 19.52727273 0.01 whole rock 73.8 14 0.9 0.36 0.06 0.1 1 4.5 3.85 0.1 1.15 0.09 99.91 Puebla PU26 3.5km N Apizaco lava volcanic 1 3 -98.11 19.45 0.01 whole rock 50 1.95 17 3.77 5.8 0.16 7.3 9.1 3.5 1.1 0.14 99.82 165 35 85 35 10 20 560 350 Tiaxcala PU28 10km S Tlaxcala lava volcanic 1 3 -98.24 19.23 0.01 whole rock 57.7 0.7 17.4 4.16 2.04 0.01 4.5 6.8 4.25 1.03 0.2 0.2 0.3 99.65 140 40 45 35 75 20 845 590 Tiaxcala PU29 Malinche lava volcanic 1 3 -98.03 19.23 0.01 whole rock 62.9 0.8 16.7 2.72 1.88 0.08 2.6 4.55 4.3 2 0.25 0.61 0.34 99.73 Tiaxcala PU3 Maar de San Juan Atenco lava volcanic 1 3 -97.52 19.07 0.01 whole rock 53 0.9 15.6 2.16 5.18 0.14 7.6 8.65 3 1.35 0.15 0.97 0.08 98.78 271 24 82 36 75 28 491 126 1.32 390 19.6 1.42 0.52 3.44 0.33 6.52 1.77 0.70406 Puebla PU30 Cd. Serdan lava volcanic 1 3 -97.45 18.99 0.01 whole rock 54.2 0.9 16.4 3.19 4.01 0.12 6.9 8.9 3.4 1.03 0.4 0.34 0.26 100.32 Puebla PU31 Cd. Serdan lava volcanic 1 3 -97.4 18.93 0.01 whole rock 55.1 0.9 15.1 3.09 3.62 0.1 6.8 8.3 3.2 1.7 0.2 0.79 0.41 99.31 141 30 45 35 75 25 915 535 Puebla PU32 R. Esperanza-Orizaba lava volcanic 1 3 -97.3 18.85 0.01 whole rock 49.2 1.3 15.9 5.2 4.06 0.14 9.2 9 3.1 1.1 0.25 1.05 0.65 100.05 235 45 130 55 90 20 395 138 0.33 355 13.6 1.72 0.64 3.36 0.33 2.1 0.67 Puebla PU33 R. Esperanza-Orizaba lava volcanic 1 3 -97.28 18.86 0.01 whole rock 59.5 0.5 15.6 2.24 3.65 0.1 5.8 6.4 3.85 1.5 0.2 0.08 99.42 185 30 75 30 60 18 416 145 Puebla PU34 R. Esperanza-Orizaba lava volcanic 1 3 -97.27 18.85 0.01 whole rock 58.5 0.7 15.6 2.68 3.04 0.1 5.7 6.2 3.55 2 0.15 0.67 0.29 99.18 183 30 75 15 80 40 450 520 Veracruz PU4 near Cd. Cerdan lava volcanic 1 3 -97.45 18.99 0.01 whole rock 56.1 0.7 13.9 2.85 3.65 0.12 6.5 8.4 3.25 1.55 1.26 0.23 98.51 218 17 53 36 180 22 561 121 1.41 350 14.1 1.21 0.43 2.91 0.19 6.73 2.07 0.7041 Puebla PU5 4 km S Cd. Cerdan lava volcanic 1 3 -97.45 18.95 0.01 whole rock 55.6 0.85 15.1 3.2 3.65 0.11 5.8 8 3.5 1.7 0.95 0.18 98.54 142 16 30 21 27 767 163 0.94 370 20 1.65 0.56 4.26 0.29 5.86 1.56 Puebla PU50 "Chachapa, Amozoc" lava volcanic 1 3 -98.07 19.04 0.01 whole rock 55.4 0.95 15.1 5.53 0.87 0.09 8 7.4 3.75 1.7 0.61 99.4 285 40 185 20 90 25 775 405 Puebla PU55 Guadalupe Victoria-Tlanalapa lava volcanic 1 3 -97.3 19.27 0.01 whole rock 54.1 1.2 17.1 4.73 3.12 0.13 6.4 8.2 3 1.6 0.39 0.06 100.03 170 40 60 35 80 35 400 340 Puebla PU56 Guadalupe Victoria-Tlanalapa lava volcanic 1 3 -97.3 19.27 0.01 whole rock 53.8 1.25 17.1 2.36 5.44 0.13 6.9 8.1 3.35 1.4 0.42 100.25 185 45 70 40 80 35 390 305 Puebla PU57 Guadalupe Victoria-Tlanalapa ignimbrite volcanic 1 3 -97.3 19.27 0.01 whole rock 61.7 0.7 17.8 3.07 1.74 0.09 2.2 5.3 4.1 2.25 0.48 0.03 99.46 20 15 10 75 40 540 570 Puebla PU58 Guadalupe Victoria-Tlanalapa lava volcanic 1 3 -97.32 19.28 0.01 whole rock 59.9 0.9 17.7 2.27 3.99 0.13 2.05 4.45 4.3 2.2 0.95 0.1 98.94 25 15 10 85 55 430 670 Puebla PU59 Guadalupe Victoria-Tlanalapa lava volcanic 1 3 -97.28 19.25 0.01 whole rock 52.1 1.35 15.4 3.62 4.57 0.15 10 8.8 3 1.2 0.3 0.05 100.54 395 60 175 40 90 20 485 185 Puebla PU6 R. Esperanza-Tehuacan 24km lava volcanic 1 3 -97.4 18.66 0.01 whole rock 54.9 0.8 16.2 2.25 4.01 0.11 7.75 7.1 3.1 1.03 0.25 0.37 0.32 98.96 309 22 185 33 68 23 416 124 0.86 380 13.7 1.27 0.45 3.45 0.3 1.93 0.53 0.70456 Puebla PU60 Guadalupe Victoria-Tlanalapa lava volcanic 1 3 -97.28 19.25 0.01 whole rock 58.35 0.85 16.95 3.76 2.47 0.1 4.05 6.35 3.75 1.75 0.5 0.02 98.9 70 30 45 40 85 30 470 400 Puebla PU61 R. Tlachichuca lava volcanic 1 3 -97.38 19.2 0.01 whole rock 54.45 1.65 16.95 2.24 5.37 0.12 5.5 6.8 3.55 1.6 0.84 99.07 45 25 50 20 70 25 430 355 Puebla PU62 near Hidalgo lava volcanic 1 3 -97.32 19.1 0.01 whole rock 63.4 0.75 16.2 3.32 1.24 0.07 2.85 4.6 4 2.2 0.63 99.26 45 25 50 20 70 40 605 415 Puebla PU63 near Hidalgo lava volcanic 1 3 -97.32 19.1 0.01 whole rock 60.2 0.85 17.5 3.47 2.1 0.1 3.25 5.1 4.2 2.2 0.28 0.02 99.27 20 35 30 20 85 50 420 515 Puebla PU64 dyke plutonic 1 3 -97.268 19.03 0.01 whole rock 63.5 0.65 16.6 2.87 1.24 0.06 2.35 4.25 4.15 2.65 0.16 0.01 98.49 20 20 20 20 70 45 595 485 Puebla PU65 lava volcanic 1 3 -97.268 19.03 0.01 whole rock 60.2 0.85 16.7 2.97 2.32 0.08 4 6 4.1 1.8 0.05 99.07 15 30 25 25 70 25 855 335 Puebla PU66 lava volcanic 1 3 -97.268 19.03 0.01 whole rock 59.2 0.95 17.3 2.05 2.47 0.08 4.3 6.3 4.25 1.8 0.81 0.26 99.77 15 30 40 30 70 25 865 420 Puebla PU67 lava volcanic 1 3 -97.268 19.03 0.01 whole rock 60 0.95 16.9 3.29 2.03 0.08 4.1 6.2 4.25 1.75 0.6 0.15 100.3 15 35 35 25 70 25 850 425 Puebla PU69 lava volcanic 1 3 -97.268 19.03 0.01 whole rock 58.6 0.9 16.5 3.24 1.96 0.07 4.3 6.3 4 1.7 0.83 0.2 98.7 20 35 40 15 70 25 905 385 Puebla PU7 "Central Pico, Fortin" lava volcanic 1 3 -97 18.9 0.01 whole rock 60 0.8 16.2 3.15 1.67 0.08 3.4 5.4 4.2 2.6 1.42 0.28 99.2 85 8 42 14 85 57 600 710 0.70444 Veracruz PU70 bombe volcanic 1 3 -97.268 19.03 0.01 whole rock 59.3 0.9 16.1 3.03 2.76 0.1 4 5.8 3.9 2.7 0.15 0.08 98.82 70 35 45 35 75 60 430 515 Puebla PU71 lava volcanic 1 3 -97.268 19.03 0.01 whole rock 63.1 0.5 15.9 2.49 1.45 0.07 2.5 5 4.15 2.05 1.32 0.17 98.7 30 35 15 55 25 680 335 Puebla PU75 W Atzitzintla lava volcanic 1 3 -97.32 18.9 0.01 whole rock 53.9 0.95 15 3.98 3.62 0.13 8.8 9.5 3.1 1.15 0.16 0.08 100.37 250 50 95 45 80 15 635 255 Puebla PU76 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 60.7 0.65 17.4 2.8 2.39 0.09 2.8 5.7 4.7 1.7 0.85 0.14 99.92 10 30 25 15 75 30 690 495 Puebla PU77 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 57.1 0.9 16.7 2.89 3.51 0.1 5.5 7.2 4 1.6 0.48 99.98 90 40 75 35 80 20 660 345 Puebla PU79 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 66.3 0.5 16.2 2.58 1.09 0.06 2 3.8 5.05 1.95 0.19 99.72 10 20 20 10 65 40 625 525 Puebla PU8 "Central Pico, Fortin" lava volcanic 1 3 -97 18.9 0.01 whole rock 56.4 0.9 15.8 3.2 3.43 0.11 5.5 7.7 3.75 1.3 0.52 0.18 99.19 130 18 47 24 74 20 487 130 0.51 340 13.6 1.41 0.51 3.54 0.36 2.45 0.71 0.70453 Veracruz PU80 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 63.8 0.6 15.7 3.14 1.53 0.07 3.3 5 4.5 1.85 0.34 0.13 99.76 55 25 40 20 70 40 645 395 Puebla PU81 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 59.2 0.85 15.9 3.39 2.17 0.1 4.2 6 4.15 2.05 0.63 0.13 99.13 70 35 40 35 75 55 460 495 Puebla PU82 Sierra Negra lava volcanic 1 3 -97.32 18.98 0.01 whole rock 52.4 0.8 16.5 5.17 2.82 0.13 8.8 9 3.6 1.15 0.02 100.39 215 55 165 55 75 20 455 360 Puebla PU83 Sierra Negra bombe volcanic 1 3 -97.32 18.98 0.01 whole rock 60.2 0.8 15.9 2.86 2.16 0.1 4.1 6.5 4.4 2.25 0.33 0.01 99.64 65 35 45 35 75 60 460 480 Puebla PU84 Guadalupe Victoria-Tlanalapa bims volcanic 1 3 -97.3 19.27 0.01 whole rock 70.5 0.05 13.65 1.1 0.06 0.3 0.95 3.8 4.15 3.95 0.8 99.31 Puebla PU86 Guadalupe Victoria-Tlanalapa bims volcanic 1 3 -97.3 19.27 0.01 whole rock 68.6 0.1 14.8 1.06 0.22 0.06 0.32 1.25 4.4 3.9 4.11 0.65 99.47 Puebla PU88 Tlanalapa pyroklastic volcanic 1 3 -97.17 19.15 0.01 whole rock 73.9 0.05 12.6 0.6 0.06 0.1 0.4 4.15 4.05 3.17 0.97 99.45 Veracruz PU89 Tlanalapa obsidian volcanic 1 3 -97.17 19.15 0.01 whole rock 75.3 0.1 12.5 0.75 0.07 0.15 0.55 4.7 3.85 1.55 0.04 99.56 Veracruz PU9 "Central Pico, Fortin" lava volcanic 1 3 -97 18.9 0.01 whole rock 58.6 0.7 15.3 4.03 1.82 0.09 4.55 6.1 4.1 1.6 1.19 0.77 98.85 59 11 26 24 89 33 509 151 0.89 470 16 1.28 0.45 3.93 0.33 3.67 1.3 Veracruz PU90 near Tlanalapa lahar volcanic 1 3 -97.16 19.15 0.01 whole rock 69 0.1 15.7 0.95 0.07 0.15 0.8 4 3.05 4.66 1.48 99.96 Veracruz PU93 E Madero lava volcanic 1 3 -97.13 19.15 0.01 whole rock 50.8 1.45 15.4 3.19 5.5 0.15 10.9 8.7 3.4 1.1 0.05 100.64 420 60 230 35 85 20 425 230 Veracruz PU95 SE Alchichica maar de Chaltepec? bombe volcanic 1 3 -97.39 19.43 0.01 whole rock 53.8 1.25 18.5 3.14 4.56 0.14 5.2 7.7 3.9 1.6 0.02 99.81 45 35 30 10 90 45 445 320 Puebla PU96 W Guadelupe Victoria lava volcanic 1 3 -97.42 19.32 0.01 whole rock 60.9 0.9 17.4 2.13 3.04 0.09 3 6.3 4.7 1.6 0.23 0.13 100.42 Puebla PU97 Guadelupe Victoria lava volcanic 1 3 -97.35 19.3 0.01 whole rock 54.2 0.15 15.1 3.32 5.2 0.15 8.2 9.8 3.2 1.2 0.01 0.05 100.58 210 50 110 50 80 25 605 350 Puebla PU99 Sierra Negra lava volcanic 1 3 -97.3 18.92 0.01 whole rock 59.4 1.45 16.8 3.13 2.49 0.09 4.1 6.3 4.5 1.55 0.75 0.1 100.7 40 35 55 25 65 25 665 365 Puebla VE1 N Palma Sola lava volcanic 1 3 -96.54 19.98 0.01 whole rock 47.24 1.64 18.64 6.14 6.02 0.21 4.51 8.19 4 1.5 0.69 0.95 0.51 100.24 Veracruz VE10 ar. Jalapa lava volcanic 1 3 -96.93 19.55 0.01 whole rock 56.5 0.86 17.51 2.07 5.04 0.14 5.32 6.13 3.6 1.8 0.3 0.52 0.27 100.06 123 19 89 23 35 484 540 Veracruz VE-100 N Palma Sola massif Gabbro volcanic 11 23.5 -96 19 1 whole rock 50.0763425 0.989260026 12.66252833 7.280953789 5.183722534 0.138496404 6.479653168 11.27756429 2.671002069 1.088186028 0.079140802 1.394856636 99.32170657 Mexico VE-103 NW Palma Sola massif Microdiorite plutonic 11 23.5 -96 19 1 whole rock 56.89049919 0.927133655 16.1557971 5.276771337 2.820853462 0.128220612 1.292069243 5.572665056 4.043880837 2.071256039 0.118357488 1.361111111 96.65861514 Mexico VE10B ar. Jalapa lava volcanic 1 3 -96.93 19.55 0.01 whole rock 56.73 1.16 16.35 6.88 0.11 5.58 6.95 3.75 1.67 0.65 99.83 170 116 33 467 565 Veracruz VE11 Jalapa-Cardel lava volcanic 1 3 -96.73 19.45454545 0.01 whole rock 55.04 1.03 16.48 7.44 0.12 4.7 7.33 3.58 1.65 1.25 98.62 92 62 53 37 43 445 452 Veracruz VE112 Tetela de Ocampo NW Perote lava volcanic 1 3 -97.73 19.82 0.01 whole rock 57.4 0.8 18.1 2.77 2.19 0.08 3.9 7.3 4 1.3 1.3 0.08 99.22 49 13 50 24 16 1018 285 Puebla VE113 Tetela de Ocampo NW Perote lava volcanic 1 3 -97.73 19.82 0.01 whole rock 59 0.75 17.7 3.72 1.16 0.06 3.2 6.65 4.2 1.1 0.84 0.7 99.08 50 11 61 36 16 909 250 Puebla VE117 W de Los Humeros ryolite volcanic 1 3 -97.57 19.68 0.01 whole rock 76.8 11.6 1.05 0.14 0.02 0.05 0.4 4 4.7 0.24 0.06 99.06 142 15 140 Puebla VE12 Jalapa-Cardel lava volcanic 1 3 -96.83 19.5 0.01 whole rock 53.95 1 16.95 3.75 3.5 0.13 5.5 7 3.65 1.75 1 0.35 98.53 167 19 91 47 26 485 530 Veracruz VE123 S Jalapa lava volcanic 1 3 -96.87 19.43 0.01 whole rock 57.4 1 16.75 2.03 3.55 0.1 3.75 5.98 3.75 2.75 1.08 0.38 98.54 67 14 45 23 60 77 414 495 Veracruz VE124 San Martin lava volcanic 1 3 -95.2 18.55 0.01 whole rock 42.5 2.4 13 8.13 4.3 0.18 13.1 11.3 2.85 1.4 0.46 0.31 99.93 Veracruz VE125 San Martin lava volcanic 1 3 -95.2 18.55 0.01 whole rock 48.6 0.9 16.8 2.59 6.86 0.16 7.3 11.3 2.9 0.8 0.8 0.24 99.25 28 875 380 Veracruz VE127 Santiago Tuxtla lava volcanic 1 3 -95.29 18.46 0.01 whole rock 44.2 1.6 12.5 2.8 5.32 0.17 14.7 10.9 2.45 0.8 0.21 0.16 98.81 18 641 1270 Veracruz VE128 San Andres/Catemaco lava volcanic 1 3 -95.14 18.44 0.01 whole rock 44.68 1.3 13.9 6.81 4.59 0.2 14.2 11.1 2.3 0.7 0.25 0.03 99.98 Veracruz VE131 lago de Catemaco lava volcanic 1 3 -95.1 18.44 0.01 whole rock 44.8 1.3 13.9 5.42 5.03 0.18 13.6 11.1 2.3 0.7 0.4 0.24 99.07 23 612 265 Veracruz VE132 Catemaco? Quetzalapan lava volcanic 1 3 -95.1 18.44 0.01 whole rock 42.6 1.8 12.6 5.6 5.68 0.18 15.8 11.2 2 0.9 1.07 0.18 99.61 25 624 325 Veracruz VE133 6 km S Catemaco lava volcanic 1 3 -95.11 18.36 0.01 whole rock 46.7 1.6 15.7 9.55 7.08 0.18 9.35 10.5 2.5 1.1 0.29 0.25 98.8 28 547 1115 Veracruz VE140 ar. Jalapa lava volcanic 1 3 -96.93 19.55 0.01 whole rock 57.1 1.05 16.8 2.21 4.23 0.13 6 6.9 3.5 1.5 0.3 0.21 0.24 100.17 115 45 100 35 70 39 453 515 Veracruz VE145 Tetela de Ocampo NW Perote lava volcanic 1 3 -97.73 19.82 0.01 whole rock 58.1 0.75 18.7 4.25 1.16 0.1 2.6 6.2 4.5 1.55 0.3 0.57 0.45 99.23 Puebla VE-15 C. Cantera Dacite volcanic 6.5 5 7.5 -97 19 1 whole rock 65.31163417 0.529041206 16.46016884 3.9728 0.968245226 0.049909548 1.696924623 3.693306533 3.244120603 1.706906533 0.329403015 1.177865327 99.14032563 Mexico VE151 S Los Humeros-Teziutlan lava volcanic 1 3 -97.48 19.48636364 0.01 whole rock 56.9 1.7 17 1.55 6.17 0.13 3.8 5.9 3.75 2 0.32 0.02 99.24 25 35 30 25 95 45 360 405 Puebla VE152 Tepeyahualco W El Limon lava volcanic 1 3 -97.48 19.48636364 0.01 whole rock 54.95 1.8 17.4 3.17 5.66 0.14 4 7.1 3.95 1.9 0.35 0.15 100.57 Puebla VE154 Tepeyahualco W El Limon lava volcanic 1 3 -97.48 19.48636364 0.01 whole rock 48.4 1.6 16.8 3.87 6.6 0.17 9.4 9.9 3.1 0.4 100.24 230 75 165 45 105 5 305 <100 Puebla VE156 lava volcanic 1 3 -97.21 19.54 0.01 whole rock 60.6 1.05 16.3 2.51 2.6 0.09 3.7 4.9 3.95 2.8 0.67 0.17 99.34 50 35 40 10 85 75 365 520 Veracruz VE158 lava volcanic 1 3 -97.17 19.54 0.01 whole rock 59.6 1.2 16.9 2.01 3.41 0.08 3.5 5.6 3.35 2.1 1.02 0.3 99.07 20 40 30 25 70 45 425 485 Veracruz VE159 lava volcanic 1 3 -97.17 19.53 0.01 whole rock 57.2 1.1 17.6 4.95 0.95 0.1 3.8 6 3.55 1.8 1.57 0.41 99.03 15 35 40 30 80 40 415 505 Veracruz VE160 lava volcanic 1 3 -97.15 19.49 0.01 whole rock 59.6 1.1 16.9 1.9 3.34 0.08 3.4 6 3.55 2 1.06 0.08 99.01 15 30 25 25 70 50 405 470 Veracruz VE161 lava volcanic 1 3 -97.15 19.49 0.01 whole rock 64.1 1 15.8 2.96 1.74 0.08 2.5 4.1 3.75 3.1 0.46 99.69 40 25 25 20 65 85 350 565 Veracruz VE17 N Perote Atzalan-Tlapacoyan ignimbrite volcanic 1 3 -97.22 19.84090909 0.01 whole rock 75.08 0.18 12 1.46 0.86 0.02 0.32 0.74 3.95 3.65 0.13 1.11 0.08 99.58 150 Veracruz VE18 N Perote Atzalan-Tlapacoyan ignimbrite volcanic 1 3 -97.22 19.84090909 0.01 whole rock 75.88 0.12 13.08 0.97 0.78 0.03 0.13 0.4 3.5 4.8 0.09 0.35 0.12 100.25 154 Veracruz VE180 Caldera Los Humeros lava volcanic 1 3 -97.43 19.62 0.01 whole rock 53.9 1.2 19.6 3.88 2.9 0.1 4 8.6 4.1 1.6 0.59 0.08 100.55 Puebla VE181 Caldera Los Humeros bims volcanic 1 3 -97.43 19.62 0.01 whole rock 65.8 0.6 14.9 1.67 1.74 0.07 1 2.3 4.9 3.95 2.66 0.25 99.83 Puebla VE183 Caldera Los Humeros lava volcanic 1 3 -97.43 19.64 0.01 whole rock 62.7 0.7 16.2 1.87 2.46 0.08 2.3 4.1 4.9 3.2 2.12 99.63 Puebla VE185 Caldera Los Humeros lava volcanic 1 3 -97.48 19.61 0.01 whole rock 67.2 0.7 16 1.71 1.88 0.08 0.8 2.3 5 3.9 0.18 0.1 99.85 Puebla VE186 S de Los Humeros ryolite volcanic 1 3 -97.39 19.52727273 0.01 whole rock 76.1 12.6 0.8 0.04 0.02 0.35 4.3 5 0.25 0.07 99.53 125 Puebla VE187 Caldera Los Humeros lava volcanic 1 3 -97.45 19.68 0.01 whole rock 48.5 1.5 17.2 7.67 2.82 0.16 9 9.6 3.2 0.5 0.01 0.01 100.17 Puebla VE188 Caldera Los Humeros lava volcanic 1 3 -97.44 19.69 0.01 whole rock 62 1.5 15.7 2.34 4.2 0.11 2.6 5 4.7 2.45 0.12 0.04 100.76 Puebla VE19 N Perote Atzalan-Tlapacoyan ignimbrite volcanic 1 3 -97.22 19.84 0.01 whole rock 72.92 0.18 11.46 3.37 0.43 0.03 0.56 0.62 5.34 3.75 0.15 0.41 0.05 99.32 Veracruz VE194 S de Los Humeros dacite-ryolite volcanic 1 3 -97.39 19.53 0.01 whole rock 68.1 0.45 15.2 1.71 1.16 0.05 0.65 1.75 4.4 4.6 1.34 0.05 99.46 Puebla VE21B ar. Las Vigas lava volcanic 1 3 -97.06 19.62 0.01 whole rock 61.6 0.9 15.8 2.39 2.04 0.08 2.85 5 4.2 2.7 0.25 0.54 0.23 98.58 67 9 26 19 79 422 236 1.68 660 29.4 1.23 0.51 509 1.38 11.5 3.5 Veracruz VE22 ar. Las Vigas lava volcanic 1 3 -97.06 19.62 0.01 whole rock 45.34 1.74 18.12 8.47 4.04 0.09 8.09 7.84 3.65 1.15 0.31 1.1 0.02 99.96 382 47 195 25 588 208 0.93 300 15.9 1.85 0.72 4.4 1.06 2.79 1.1 Veracruz VE23 ar. Las Vigas lava volcanic 1 3 -97.06 19.62 0.01 whole rock 51.42 1.69 12.68 3.1 9.03 0.07 7.45 9.4 3.55 0.6 0.27 1.05 0.1 100.32 270 42 110 44 11 351 153 0.27 197 10.5 1.48 0.68 3.4 0.61 1.47 0.32 0.70352 Veracruz VE24 ar. Las Vigas lava volcanic 1 3 -97.03 19.62 0.01 whole rock 50.84 1.18 15.05 11.32 1.73 0.09 5.32 8.8 4.38 1 0.59 0.05 0.09 100.22 59 32 48 40 23 556 289 0.58 390 31 2.36 0.86 5.93 1.68 4.17 1.19 Veracruz VE25 Alchichica SW Perote lava volcanic 1 3 -97.39 19.43 0.01 whole rock 51.1 2.2 18.1 9.25 1.84 0.16 4.9 6.6 4.4 1.5 0.13 100.18 25 25 45 40 120 25 655 415 Puebla VE26 W Jalapa lava volcanic 1 3 -96.97 19.59090909 0.01 whole rock 51 1 15.95 4.72 5.72 0.07 7.84 9.57 3.22 0.73 0.22 0.14 100.18 230 34 90 36 23 343 151 0.53 340 14.2 1.5 0.67 3.8 0.58 2.62 0.68 Veracruz VE27 ar. Jalapa lava volcanic 1 3 -96.93 19.55 0.01 whole rock 52.67 1.26 14.86 2.76 8.49 0.1 5.95 9.31 3 0.65 0.2 0.49 0.1 99.96 184 30 59 26 21 280 159 0.37 180 11.5 1.39 0.66 3.6 0.54 2.5 0.62 0.70405 Veracruz VE28 ar. Jalapa lava volcanic 1 3 -96.93 19.55 0.01 whole rock 55.26 0.76 15.59 7.54 1.4 0.07 6.32 7.71 2.87 0.73 0.34 1.12 0.33 100.09 224 24 101 90 83 26 530 180 0.64 610 23.4 1.64 0.55 4.36 0.82 4.27 1.18 Veracruz VE29 ar. Jalapa? lava volcanic 1 3 -96.93 19.55 0.01 whole rock 52.27 1.29 16.7 9.57 0.15 6.68 8.76 3.36 1.03 0.05 99.76 223 51 109 15 19 358 157 0.48 303 14.1 1.42 0.64 3.7 0.57 2.52 0.68 Veracruz VE3 Palma Sola lava volcanic 1 3 -96.42 19.78 0.01 whole rock 44.4 1.86 10.82 13.03 2.7 0.12 7.88 11.06 3.75 0.58 0.79 2.24 0.26 99.55 Veracruz VE-34 Microdiorite volcanic 17 -97 19 1 whole rock 52.59542444 0.758779851 17.67158338 3.364589605 5.29149107 0.1098234 3.124974915 7.787477423 4.81226169 1.797110175 0.249598635 1.777142284 99.34025687 Mexico VE48 N Perote Atzalan-Zapotitlan ignimbrite volcanic 1 3 -97.19 19.81818182 0.01 whole rock 75.94 13.48 0.85 0.71 0.54 4 4.33 0.39 0.09 100.33 148 Veracruz VE52 Jalapa-Cardel ? lava volcanic 1 3 -96.81 19.5 0.01 whole rock 56.35 0.94 17.06 2.32 5 0.06 4.26 7.24 3.61 1.7 0.68 0.19 99.41 160 19 38 52 73 49 716 531 0.70418 Veracruz VE65 Jalapa-Cardel lava volcanic 1 3 -96.83 19.5 0.01 whole rock 55.05 0.76 18.43 2.61 4 0.14 3.85 6.43 4 2.1 0.25 1.37 0.55 99.54 155 21 39 30 89 52 506 590 Veracruz VE67 Palma Sola lava volcanic 1 3 -96.42 19.78 0.01 whole rock 43.48 2.61 12.52 9.15 5 0.22 7.76 10.6 5.3 1.05 0.19 1.05 1.03 99.96 Veracruz VE81 ar. Jalapa? lava volcanic 1 3 -96.93 19.55 0.01 whole rock 48.3 1.65 15.7 2.5 7.66 0.18 8.5 9.6 3.4 0.7 0.8 98.99 305 47 127 51 86 13 395 156 0.26 250 11.9 1.4 0.64 3.34 0.6 1.53 0.42 Veracruz VE95 Palma Sola-Chiconquiaco lava volcanic 1 3 -96.48 19.78 0.01 whole rock 46 1.55 18.4 9.66 3.19 0.22 3.9 9.7 4 1.42 0.3 1.38 0.08 99.8 Veracruz VE96 Palma Sola-Chiconquiaco lava volcanic 1 3 -96.5 19.78 0.01 whole rock 44.5 1.44 18.8 12 1.1 0.22 3.45 10.35 4.27 1.38 0.09 2 0.17 99.75 Veracruz VE97 Palma Sola-Chiconquiaco lava volcanic 1 3 -96.53 19.78 0.01 whole rock 46.97 2.58 14.04 8.91 6.54 0.16 5.09 10.33 3.08 0.95 0.2 0.6 0.4 99.85 Veracruz VE98 Palma Sola-Chiconquiaco lava volcanic 1 3 -96.57 19.78 0.01 whole rock 47.45 2.4 14.14 10.55 5.73 0.17 3.38 8.81 4.5 1.6 0.4 0.54 0.57 100.24 Veracruz PO 49 2147 Popocatepetl Dacite volcanic 1 3 -98.59 19.09 0.01 whole rock 64.5 0.55 16 2.31 1.88 0.07 3.4 4.4 4.5 1.8 0.43 99.54 80 25 50 15 65 55 420 400 Puebla PO 50 2149 Popocatepetl Andesite volcanic 1 3 -98.54 19.08 0.01 whole rock 62 0.6 15.5 2.45 2.61 0.08 5.2 5.4 4.2 1.4 0.11 99.55 14 243 28 118 15 65 44.5 442 147 0.11 1.4 346 12.5 36 3 1.1 0.46 1.49 3.7 0.46 3.9 1.51 0.704244 0.512875 Puebla PO 51 2150 Popocatepetl Dacite volcanic 1 3 -98.55 19.07 0.01 whole rock 63 0.9 16.3 2.45 2.75 0.09 3.55 4.9 4.4 1.7 0.27 0.12 100.43 13.8 99 24 49 15 70 52 437 197 0.14 2.54 404 17.6 35.2 3.8 1.41 0.59 1.54 4.6 0.74 4.6 1.66 Puebla PO 53 2151 Popocatepetl Dacite volcanic 1 3 -98.59 19.09 0.01 whole rock 63 0.75 15.5 4.56 0.94 0.08 4.7 5 4.2 1.6 0.33 100.66 120 40 85 15 65 55 370 330 Puebla PO 63 2152 Popocatepetl Dacite volcanic 1 3 -98.48 18.95 0.01 whole rock 63 0.9 15.6 2.62 2.32 0.08 3 4.7 3.85 2.35 0.96 0.48 99.86 85 35 50 5 50 380 385 Puebla PO 68 2153 Popocatepetl Andesite volcanic 1 3 -98.58 18.91 0.01 whole rock 61.7 0.85 16.6 2.33 3.04 0.08 4.75 4.7 3.95 2.35 0.38 0.04 99.77 12.3 175 29 97 10 59 455 212 0.19 3.1 465 20.2 46.1 4.2 1.39 0.57 1.9 5.2 0.63 5.5 2.11 Puebla PO 79 2154 Popocatepetl Dacite volcanic 1 3 -98.59 19.06 0.01 whole rock 64.1 0.85 16 2.3 2.61 0.08 2.94 4.4 4.45 2.15 0.1 0.01 99.99 11 78 22 47 15 52 473 154 0.15 2.7 423 15 32.5 3.2 1.11 0.47 1.62 4.4 0.89 4.4 1.67 Puebla PO 80 2155 Popocatepetl Basalt volcanic 1 3 -98.34 19.08 0.01 whole rock 52 1.3 17 4.53 3.62 0.14 8.5 8 3.5 1.25 0.07 0.01 99.92 16.4 215 34 136 20 28 512 183 0.89 1.79 342 16.6 38 3.7 1.46 0.58 1.77 4.3 0.53 3.4 1.21 0.70446 0.512816 Puebla PO 81 2156 Popocatepetl Dacite volcanic 1 3 -98.59 18.88 0.01 whole rock 63.7 0.73 16 2.29 2.17 0.08 3 4.5 4.1 1.95 0.8 0.15 99.89 9.8 73 21 38 15 50 438 176 0.15 2.7 412 15.5 32.8 3.3 1.13 0.46 1.62 4.6 0.45 4.5 1.73 0.704314 Puebla PO 85 2157 Popocatepetl Dacite volcanic 1 3 -98.62 19.03 0.01 whole rock 64.8 0.75 15.6 1.9 2.61 0.08 3.2 4.5 4.2 2.1 0.27 100.01 11 77 18 32 10 50 404 165 0.14 2.8 427 15.3 36.3 3.1 1.12 0.45 1.27 4.1 0.46 13.8 4.3 1.64 Puebla PO 87 2158 Popocatepetl Dacite volcanic 1 3 -98.62 19.03 0.01 whole rock 64 0.75 16.2 3.24 1.59 0.08 3.4 4.55 4.2 2.05 0.12 100.18 11.6 105 19 41 5 54 436 185 16 2.3 403.5 16.5 38.4 3.5 1.23 0.51 1.36 4.5 0.52 12.8 4.9 1.71 Puebla PO 89 2159 Popocatepetl Dacite volcanic 1 3 -98.61 19.03 0.01 whole rock 65 0.8 15.8 1.63 3.04 0.09 3.4 4.4 4.1 2 0.3 100.56 105 30 50 15 60 370 325 Puebla PO 90 2160 Popocatepetl Dacite volcanic 1 3 -98.62 19.03 0.01 whole rock 63.3 0.8 15.7 2.13 3.04 0.09 3.8 5.1 4.2 2.05 0.38 0.03 100.62 120 35 70 20 60 390 275 Puebla PO 47 2146 Popocatepetl Dacite volcanic 1 3 -98.59 19.09 0.01 whole rock 63.6 0.8 16.3 2.4 2.03 0.07 3 5.1 4.5 1.7 0.29 0.1 99.89 65 30 45 15 60 50 450 335 Puebla PO 62 2134 Popocatepetl Andesite volcanic 1 3 -98.44 19.05 0.01 whole rock 60.8 0.9 15.6 4.15 1.85 0.1 4.5 4.9 3.75 1.95 0.4 0.13 99.03 13.4 123 39 54 10 49 462 191 0.14 2.55 280 16.8 37.7 3.6 1.36 0.57 1.84 4.4 0.63 4.6 1.61 Puebla PO 100 2135 Popocatepetl Andesite volcanic 1 3 -98.63 19.04 0.01 whole rock 61.4 0.9 16 2.4 2.75 0.08 4 4.9 3.9 2.2 0.75 0.23 99.51 140 35 75 20 50 350 290 Puebla PO 103 2136 Popocatepetl Andesite volcanic 1 3 -98.63 19.04 0.01 whole rock 61.5 0.65 17 1.66 3.19 0.08 3.7 5.1 4 1.8 1.18 99.86 110 35 55 20 40 385 305 Puebla PO 112 2130 Popocatepetl Dacite volcanic 1 3 -98.47 18.92 0.01 whole rock 63 0.9 16 2.47 2.32 0.07 3.2 4.9 4.8 1.9 0.19 99.97 Puebla TA 9 Sierra de Tamaulipas Nephelinite volcanic 28 27.2 28.8 -98.25 22.78333333 0.01 whole rock 2.86 5.57 24 Tamaulipas HU 52 Sierra de Tamaulipas Nepheline-syenite volcanic 23.5 22.8 24.2 -98.5 22.58333333 0.01 whole rock 3.73 6.08 10.5 Tamaulipas TA 53 Sierra de Tamaulipas Phonolite volcanic 7 6.8 7.2 -98.21666667 23.25 0.01 whole rock 3.98 1.93 38.9 Tamaulipas HU 42 Tampico plain Olivine Basalt volcanic 20 19.3 20.7 -98.08333333 22.25 0.01 whole rock 0.832 1.17 57.6 Veracruz VE 34 Palma Sola massif Microdiorite volcanic 17 16.4 17.6 -96.38333333 19.75 0.01 whole rock 1.48 1.73 53.1 Veracruz VE 71b Palma Sola massif Alkali Basalt volcanic 14 13.5 14.5 -96.38333333 19.75 0.01 whole rock 0.872 0.842 37.8 Veracruz VE 15 Palma Sola massif Dacite volcanic 6.5 6.3 6.7 -96.38333333 19.75 0.01 whole rock 2.09 0.945 33.1 Veracruz VE 108 Palma Sola massif Alkali Basalt volcanic 3.1 3 3.2 -96.35 19.75 0.01 whole rock 1.2 0.256 63.6 Veracruz PH 113 Northern Hidalgo Alkali Basalt volcanic 7.4 6.8 8 -98.75 20.83333333 0.01 whole rock 0.936 0.479 92 Hidalgo TH 24 Northern Hidalgo Basalt volcanic 7.1 6.8 7.4 -98.78333333 21.25 0.01 whole rock 1.17 0.575 48.9 San Luis Potosi PH 171 Northern Hidalgo Olivine Basalt volcanic 6.5 6.2 6.8 -98.75 20.83333333 0.01 whole rock 0.966 0.437 59.8 Hidalgo ME 62 Southern Hidalgo Transitional Basalt volcanic 5.95 5.7 6.2 -98.08333333 20.16666667 0.01 whole rock 0.669 0.276 69.4 Hidalgo PH 135 Southern Hidalgo Basalt volcanic 5.15 4.9 5.4 -98.46666667 20.33333333 0.01 whole rock 0.699 0.25 88 Hidalgo ME 77 Southern Hidalgo Transitional Basalt volcanic 4.6 4.4 4.8 -98.08333333 20.16666667 0.01 whole rock 0.913 0.292 80.8 Hidalgo PH 141 Southern Hidalgo Rhyolitic Obsidian volcanic 4.4 4.3 4.5 -98.46666667 20.33333333 0.01 whole rock 4.45 1.36 24.9 Hidalgo ME 37b Southern Hidalgo Ignimbrite volcanic 4.3 4.15 4.45 -98.08333333 20.16666667 0.01 whole rock 3.32 0.993 69.4 Hidalgo VE 94 Veracruz Trachybasalt volcanic 4.2 4.1 4.3 -96.9 19.83333333 0.01 whole rock 2.39 0.699 38.1 Veracruz VE 91 Veracruz Basalt volcanic 3.15 3.05 3.25 -96.9 19.83333333 0.01 whole rock 1.64 0.359 50 Veracruz VE 119 Veracruz Basalt volcanic 2.35 2.25 2.45 -97.78333333 19.91666667 0.01 whole rock 0.725 0.117 80.8 Puebla VE 66 Veracruz Transitional Basalt volcanic 1.9 1.84 1.96 -96.83333333 19.46666667 0.01 whole rock 0.413 0.054 55.5 Veracruz PH 62 North Altiplano Basaltic Andesite volcanic 2.56 2.48 2.64 -98.65 20.55 0.01 whole rock 0.884 0.157 71.2 Hidalgo PH 40 North Altiplano Basaltic Andesite volcanic 2.38 2.3 2.46 -98.65 20.55 0.01 whole rock 0.958 0.158 73.4 Hidalgo ZI 43 North Altiplano Andesite volcanic 9 8.7 9.3 -99.4 20.86666667 0.01 whole rock 2.11 1.315 28.6 Hidalgo VE 118 South Altiplano Andesite volcanic 7.7 7.4 8 -97.21666667 19.78333333 0.01 whole rock 1.24 0.665 41.2 Veracruz VE 52 South Altiplano Andesite volcanic 1.57 1.52 1.62 -96.83333333 19.46666667 0.01 whole rock 1.3 0.142 70.8 Veracruz Method Data 1 NN 1979-023073 2 NN 480 3 NN 480 4 K-Ar 480 reference data Georef# 1979-023073 TI K-Ar dating on eastern Mexican volcanic rocks; relations between the andesitic and the alkaline provinces. AU Cantagrel-J-M; Robin-C SO "Journal of Volcanology and Geothermal Research. 5; 1-2, Pages 99-114. 1979." PB "Elsevier. Amsterdam, Netherlands. 1979." CP Netherlands PY 1979 LA English DE absolute-age; alkalic-composition; andesitic-composition; Cenozoic-; composition-; dates-; evolution-; geochronology-; igneous-activity; igneous-rocks; K-Ar; Mexico-; plate-tectonics; volcanic-belts; volcanic-rocks; volcanic-zones; volcanism-; volcanology- CC 03-Geochronology DT Serial BL Analytic MC LAT| N200000; N253000; LONG: W0940000; W1000000. IL "Refs 42; illus. incl. table, geol. sketch map." RF "GeoRef, Copyright 2002, American Geological Institute." IS 0377-0273 CO JVGRDQ AN 1979-023073 UD 1979