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SAMPLE INFO : 04JSCH010
Sample ID:04JSCH010
Station ID:04JSCH010
Latitude:57.16668
Longitude:-157.02395
Datum:NAD83
Date Sampled:2004-08-23
Sample Type 1:Pyroclastic Flow
Sample Type 2:Pumice
Field Lithology:Dacite
Final Unit:Pnba
Text Description:
sampled pumice from an indurated pf deposit. Deposit consists of inflated pumice up to 50 cm in diameter and angular to sub-rounded, dense lithics of andesite(?) boulders up to 1.5m in diameter. Deposit is cliff-forming and possibly underlies glacial till, much like we saw at stop near sample 04JSCH008. See station 08JRSCH062 for better location and section description.

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
04JSCH01057.16668-157.02395Schaefer, J. R. G.2004-08-23 ChiginagakIn ravine, at approx. 1200 feetsampled pumice from an indurated pf deposit. Deposit consists of inflated pumice up to 50 cm in diameter and angular to sub-rounded, dense lithics of andesite(?) boulders up to 1.5m in diameter. Deposit is cliff-forming and possibly underlies glacial till, much like we saw at stop near sample 04JSCH008. See station 08JRSCH062 for better location and section description.04JSCH010Pyroclastic FlowBombPnbaWhole-rock 61.9722594 0.722877106 17.19607759 5.750598804 0.137372082 2.622644741 6.55953199 3.222313183 1.636985478 0.179349677 99.4816413271XRF5.750598804 1.522229698 35.38369646 541.3508634 357.7779982 16.61611 35.40866241 4.53541418 18.67709369 4.328457805 1.280654381 4.357801684 0.726107525 4.548911303 0.953385376 2.643226284 0.393458451 2.480774598 0.403028656 24.38222719 130.1998698 7.552604177 3.555383025 0.526464053 6.138921406 3.514932722 1.240583844 15.46418892 135.6 9.9 9.8 10.6 72 18.8 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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