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Sample ID:05SMJL041
Station ID:05SMJL041
Date Sampled:2005-09-24
Sample Type 1:Tephra Fall
Sample Type 2:Hand-picked juvenile pumice
Final Unit:Coarse tephra
Text Description:
massive, thick pumice fall deposit mantling the surface. No stratigraphic context, but looks fairly young

Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, 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
05SMJL04151.90663179.68257Larsen, J. F.2005-09-24 SemisopochnoiRagged topmassive, thick pumice fall deposit mantling the surface. No stratigraphic context, but looks fairly young05SMJL041Tephra FallCumulateCoarse tephraWhole-rock 53.15648741 0.954960754 19.40658199 5.4126486670442 0.187573502 3.921658871 8.785486196 3.622331115 1.160763032 0.271009845 99.5129913321XRF5.4126486670442 3.151748865 54.68875856 686.1084592 290.9006093 18.77812431 44.75315644 6.382933138 27.83382423 7.017769541 1.564336982 6.541675505 1.130867948 7.075996709 1.495503691 4.301890414 0.64584855 4.222926219 0.691328011 37.3247188 229.3346392 5.423679099 6.569496868 0.369316593 15.05758602 6.149790316 2.740166811 14.08936153 251.2 6.4 10 90.7 18.7 13321ICPMS: 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, Zn, Ga;


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