updated 8/18/2005 Todd Bowers updated 3/1/2005 Todd Bowers updated 2/14/2005 keith georef data 2002-056230 TI The Quetzalapa Pumice; a voluminous late Pleistocene rhyolite deposit in the eastern Trans-Mexican volcanic belt. AU Rodriguez-Sergio-Raul; Siebe-Claus; Komorowski-Jean-Christophe; Abrams-Michael AF "Universidad Nacional Autonoma de Mexico, Instituto de Geologica, MEX, Mexico" SO "Journal of Volcanology and Geothermal Research. 113; 1-2, Pages 177-212. 2002." PB "Elsevier. Amsterdam, Netherlands. 2002." CP Netherlands PY 2002 LA English AB Deleted in this version DE C-14; carbon-; Cenozoic-; Cofre-de-Perote; igneous-rocks; isotopes-; Las-Cumbres-volcanic-complex; Mexican-volcanic-belt; Mexico-; mineral-assemblages; Pico-de-Orizaba; Pleistocene-; plinian-type-eruptions; pumice-; pyroclastics-; Quaternary-; Quetzalapa-Pumice; radioactive-isotopes; rhyolites-; upper-Pleistocene; volcanic-rocks; volcanism-; volcanoes- CC 24-Quaternary-geology; 05A-Igneous-and-metamorphic-petrology DT Serial BL Analytic MC LAT| N190000; N191500; LONG: W0971500; W0973000. IL Refs 54; illus. incl. geol. sketch maps. RF "GeoRef, Copyright 2002, American Geological Institute. Reference includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands" IS 0377-0273 CO JVGRDQ AN 2002-056230 UD 200219 Sample Data Item Alt_Sample_Name Location Material Rock_type Rock_name Geologic_Age Long Lat Dist. to trench Laboratory SiO2 TiO2 Al2O3 Fe2O3 Fe0 Fe2O3t FeOt Mn0 MgO CaO Na2O K2O P2O5 LOI H2O+ H2O- CO2 Tot. S calc DIFF 100-suma 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 Rb87/Sr86 Sr87/Sr86 147Sm/144Nd Nd144/Nd143 epsilon Nd 206Pb/204Pb 207Pb/204Pb 208Pb/204Pb Observaciones State Units DD DD KM WT% 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 Method 4 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 4 4 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 4 4 4 4 4 4 4 4 Sample Name 9221 2190 Las Cumbres lavas whole rock volcanic Andesite Holocene -97.35 19.19 395.3980495 57.83 0.9 16.17 10.68 0.18 2.17 6.07 3.1 2 0.41 99.51 99.51 0 0.49 15 1027 15 155 408 Puebla 9238 2191 Las Cumbres lavas whole rock volcanic Andesite Holocene -97.27 19.19 398.6103907 62.18 0.65 16.18 8.42 0.17 1.81 4.98 3 2.4 0.91 100.7 100.7 0 -0.7 66 1052 13 159 530 Puebla 9241 2192 Las Cumbres lavas whole rock volcanic Andesite Holocene -97.35 19.19 395.3980495 61.42 0.46 16.42 8.18 0.14 2 5.18 2.82 2.82 0.02 0.86 100.32 100.32 0 -0.32 54 1132 20 153 454 Puebla IMpf1 2193 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 71.39 0.16 13.77 1.15 0.07 0.32 1.08 4 3.43 0.02 4.52 99.91 99.91 0 0.09 78 174 20 119 1099 Puebla IMpf2 2194 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 70.5 0.18 14.1 1.32 0.07 0.4 1.26 4.15 3.67 0.03 4.65 100.33 100.33 0 -0.33 75 223 20 138 1018 Puebla IMpf3 2195 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 70.8 0.17 14.03 1.27 0.07 0.32 1.22 4.12 3.51 0.03 4.45 99.99 99.99 0 0.01 79 204 20 133 1010 Puebla UMpl 2196 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 71.89 0.19 13.91 1.15 0.07 0.27 1.19 4.31 3.12 0.02 4.45 99.99 100.57 0.58 -0.57 83 299 21 169 965 Puebla UMpls 2197 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 68.53 0.18 14.52 1.16 0.08 0.48 1.07 3.6 4.24 0.03 6.16 100.05 100.05 0 -0.05 Puebla UMsdf 2198 "Quetzalapa Pumice, Las Cumbres Volcanic Complex" whole rock volcanic Rhyodacite Holocene -97.35 19.19 395.3980495 70.34 0.2 14.26 1.41 0.07 0.27 1.19 4.31 3.12 0.02 4.52 100.64 99.71 -0.93 0.29 Puebla Method Data 1 NN 480 2 NN 480 3 NN 480 4 NN 480