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Sample ID:08JFLOK016b
Station ID:08JFLOK016
Date Sampled:2008-09-09
Sample Type 1:Tephra Fall
Sample Type 2:Hand-picked juvenile scoria
Text Description:
High graded sample of largest scoria fragments for chemistry and petrology

The 2008 eruption of Okmok Volcano, Alaska: Petrological and geochemical constraints on the subsurface magma plumbing system

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
08JFLOK01653.46457-168.06658Larsen, J. F.2008-09-09 Okmok2008-7-12Tephra section, proximal to caldera. Deposits rest on snow.High graded sample of largest scoria fragments for chemistry and petrology08JFLOK016bTephra FallCumulateWhole-rock 54.94957 1.40140499 16.15331229 10.2466058 0.203430571 3.777410644 8.124661155 3.776572525 1.144688252 0.222343777 99.031338693XRF10.2466058 1.481953644 24.55952511 363.4585238 354.7256887 10.57040856 24.27013815 3.478764393 15.9759189 4.479912224 1.433345764 4.877013882 0.865654113 5.408235163 1.135336092 3.140896654 0.460007304 2.907337235 0.463683857 29.32091063 117.6333212 3.813121609 3.426246283 0.289068069 8.428207482 2.215683378 1.127257667 36.58052174 365.4 6.1 3.183334888 228.3 101.7 19.9 8693ICPMS: 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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