Date File Created Name of Creator 5/1/2006 Rich Gaschnig GeoRef Data 2005-033639 DN GeoRef TI Syneruptive magma-water and posteruptive lava-water interactions inthe western Snake River plain, Idaho, during the past 12 millionyears AU Godchaux, Martha M; Bonnichsen, Bill AF Mount Holyoke College, Department of Geography and Geology, SouthHadley, MA, United States USA AF Idaho Geological Survey, United States USA MT Tectonic and magmatic evolution of the Snake River Plain volcanicprovince ED Bonnichsen, Bill; White, Craig M; McCurry, Michael AF Idaho Geological Survey, Moscow, ID, United States USA SO Bulletin - Idaho Geological Survey, Report: 30, pp.387-434, May 2004 CD #06513 IB 1557650292 RP 30 LA English FE References: 56; illus. incl. sects., 2 tables, geol. sketch maps PY 2004 PT Serial; Report; Analytic CP United States USA FC Compact disc LL Latitude:N432230,N433000 Longitude:W1164530,W1170000 DE basalts; Cenozoic; geochemistry; Idaho; igneous rocks; lava; lavaflows; magmas; magmatism; mineral composition; Miocene; Neogene;Owyhee County Idaho; Pliocene; Quaternary; rhyolites; Snake Riverplain; Tertiary; United States; volcanic rocks; volcanism; water-rockinteraction CL 05A, Igneous and metamorphic petrology CY GeoRef, Copyright 2005, American Geological Institute. UD 200512 AN 2005-033639 Sample Data Item SiO2 Al2O3 TiO2 FeOT MnO CaO MgO K2O Na2O P2O5 Total Ni Cr Sc V Ba Rb Sr Zr Y Nb Ga Cu Zn Pb La Ce Location_Name Volcanic_Field Rock_Class Rock_Type Age Max_age Min_age LatDD LongDD Loc_prec Material State Units 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 Ma Ma Ma DD DD Method 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 2 2 2 3 3 Sample Name I-3849 69.82 14.28 0.5 3.53 0.07 1.67 0.63 4.34 3.96 0.13 98.93 7 0 8 11 2063 87 290 558 51 44 21 3 117 22 89 164 Owyhee Front, Western Snake River Plain Jump Creek Rhyolite, Pole Creek top segment rhyolite volcanic 11.6 11.7 11.5 43.46666667 -116.9166667 0.1 whole rock ID I-3747 72.98 13.11 0.44 3.15 0.07 1.48 0.4 4.08 3.76 0.12 99.58 4 0 7 21 1874 82 246 483 48 39 17 0 92 23 71 139 Owyhee Front, Western Snake River Plain Jump Creek Rhyolite, Rockville segment rhyolite volcanic 11.6 11.7 11.5 43.4 -116.8 0.1 whole rock ID I-3478 69.52 14.04 0.48 3.21 0.08 1.8 0.43 4.65 3.89 0.14 98.24 0 0 7 20 1945 91 286 485 49 41 22 1 103 26 85 140 Owyhee Front, Western Snake River Plain Jump Creek Rhyolite, Buck Mountain segment rhyolite volcanic 11.6 11.7 11.5 43.45 -116.7583333 0.1 whole rock ID I-3673 71.77 14.05 0.5 3.17 0.03 1.29 0.21 4.71 3.92 0.14 99.78 4 0 4 13 1930 97 227 517 56 42 21 2 99 24 82 134 Owyhee Front, Western Snake River Plain Jump Creek Rhyolite, Shares Snout segment rhyolite volcanic 11.6 11.7 11.5 43.4 -116.6666667 0.1 whole rock ID I-3846 75.11 12.49 0.22 2.03 0.01 0.9 0.28 5.08 3.31 0.07 99.5 5 0 4 33 1477 150 73 362 39 41 19 2 72 28 100 180 Owyhee Front, Western Snake River Plain Reynolds Creek rhyolite rhyolite volcanic 11.1 12 11 43.28333333 -116.7 0.1 whole rock ID I-3664 77.41 12.39 0.1 0.96 0.01 0.26 0.02 5.08 3.71 0.03 99.96 6 0 1 11 27 155 7 210 39 55 20 0 65 29 64 101 Owyhee Front, Western Snake River Plain Wilson Creek ignimbrite ignimbrite volcanic 11.34 11.41 11.34 43.38055556 -116.75 0.1 whole rock ID I-3804 75.37 12.32 0.12 1.45 0.02 0.61 0.33 5.55 2.53 0.05 98.36 11 0 3 5 71 150 36 213 65 53 20 3 91 30 68 127 Owyhee Front, Western Snake River Plain Wilson Creek ignimbrite ignimbrite volcanic 11.34 11.41 11.34 43.38055556 -116.75 0.1 whole rock ID I-3672 78.89 11.63 0.09 0.94 0.01 0.1 0.08 4.79 3.7 0.02 100.25 10 1 7 0 14 176 7 282 86 78 23 0 120 38 52 119 Owyhee Front, Western Snake River Plain Cerro el Otono rhyolite rhyolite volcanic 11.1 11.14 11.03 43.41666667 -116.7833333 0.1 whole rock ID I-3246 77.38 11.21 0.09 0.73 0.01 1.13 0 4.69 3.8 0.03 99.06 3 3 5 4 20 171 19 288 72 74 26 0 35 16 31 72 Owyhee Front, Western Snake River Plain Cerro el Otono rhyolite rhyolite volcanic 11.1 11.14 11.03 43.41666667 -116.7833333 0.1 whole rock ID I-3715 80.49 10.64 0.07 0.72 0.01 0.22 0.07 4.28 3.19 0.02 99.71 6 0 3 0 15 143 10 172 39 53 21 0 41 22 89 100 Owyhee Front, Western Snake River Plain Cerro el Otono rhyolite rhyolite volcanic 11.1 11.14 11.03 43.41666667 -116.7833333 0.1 whole rock ID Method Data 1 XRF 299 2 REG_COR 299 3 REG 2005-033639