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Sample ID:99JLOK15a
Station ID:99JLOK15
Date Sampled:1999-01-01
Sample Type 1:pyroclastic density current
Sample Type 2:Juvenile
Final Unit:Pcfe1
Text Description:
Juvenile scoria sampled from base of the Okmok I ash flow deposits

Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, 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
99JLOK1553.54472-168.11408Larsen, J. F.1999-01-01 Okmok-10050--New York Creek section in stream cutJuvenile scoria sampled from base of the Okmok I ash flow deposits99JLOK15apyroclastic density currentBombPcfe1Whole-rock 57.48613118 1.450036882 15.76346715 9.470206037 0.206137647 2.930388125 6.891464487 3.940866789 1.546032356 0.315269343 98.9634113XRF9.372 2.5151617209632 36.682482036285 497.52341154209 355.8093419315 14.788446584743 35.850083922892 5.1334176952277 23.469876350648 6.3285557569164 1.763239183186 6.780764340939 1.1956517559512 7.6193087376605 1.6111209034064 4.42798780809 0.6652612900222 4.1769706415131 0.66561073198909 40.84141183387 182.01012272818 5.4422624318767 5.1415658740496 0.39716141519279 11.180728160631 3.7139887423455 1.730271769486 31.309384313187 230 15 1 72 99 19 4113ICPMS: 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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