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Sample ID:08JRSCH062b
Station ID:08JRSCH062
Date Sampled:2008-08-30
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Field Lithology:Dacite
Final Unit:Pnp
Text Description:
yellow indurated 5-cm pumice

Geologic map of Mount Chiginagak volcano, Alaska

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
08JRSCH06257.16578-157.02584Schaefer, J. R. G.2008-08-30 ChiginagakSame site as 04JRSCH010, but GPS location better this year 04 site location plots on ridge where helicopter landed instead of ravine where it should be. Younger block and ash overlying older block and ash and thick indurated yellow pumice layer.yellow indurated 5-cm pumice08JRSCH062bTephra FallCumulatePnpWhole-rock 61.20882627 0.794414443 18.12480684 6.480806572 0.140266148 2.484969925 6.348648755 2.733036016 1.506191002 0.178034026 96.9097099913271XRF6.480806572 1.67871617 32.16958714 521.1462851 334.4881925 16.63887761 35.64612615 4.752448344 20.43232974 4.879560612 1.307528516 5.091996935 0.856017542 5.385186069 1.126438799 3.086745663 0.454917691 2.836678557 0.448662212 30.00801655 133.70474 7.186101655 3.563405176 0.516186191 5.482653092 3.201256575 1.101201562 15.99214399 145.7 8.4 5.902928285 22.1 76.6 17.4 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;


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