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SAMPLE INFO : 05JRSCH023
Sample ID:05JRSCH023
Station ID:05JRSCH023
Latitude:57.14664
Longitude:-157.04555
Datum:NAD83
Date Sampled:2005-08-23
Sample Type 1:Lava
Sample Type 2:Block and Ash juvenile
Final Unit:Pnba
Text Description:
Sample from dense, less devitrified 1.5m block from monolithic block and ash flow deposit. Willie took sample of more devitrified rock for possible Ar-Ar dating. Prismatically jointed blocks, xtl-rich, devitrified andesite in ashy, to sand-size matrix. Abundant visible dark opx and plag in clasts. Chose sample 05WESCH008 for Ar/Ar dating.

References:
Geologic map of Mount Chiginagak volcano, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
05JRSCH02357.14664-157.04555Schaefer, J. R. G.2005-08-23 Chiginagakblock and ash flow unit forming tall ridgeSample from dense, less devitrified 1.5m block from monolithic block and ash flow deposit. Willie took sample of more devitrified rock for possible Ar-Ar dating. Prismatically jointed blocks, xtl-rich, devitrified andesite in ashy, to sand-size matrix. Abundant visible dark opx and plag in clasts. Chose sample 05WESCH008 for Ar/Ar dating.05JRSCH023LavaPnbaWhole-rock 59.46660394 0.848834735 17.70198337 6.604985002 0.146381406 3.33445799 7.188447371 3.207094405 1.32291473 0.17828709 100.3269513271XRF6.604985002 0.823473662 28.37698162 485.6184867 390.795033 15.60293124 33.78464737 4.498374583 18.81138036 4.560368579 1.35201244 4.576693241 0.763512317 4.722633026 0.966329388 2.674047193 0.396243266 2.54501473 0.405039129 24.98532166 117.9979275 6.560992241 3.297512607 0.447818438 4.809079861 3.009050161 1.061025862 19.51349659 184.9 7.5 8.8 19.8 74.6 17.8 13271ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Zr, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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