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Sample ID:ANI-01-01
Station ID:ANI-01-01
Date Sampled:2002-07-06
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Final Unit:Brown Pumice
Text Description:
Brown pyroclast at top of section; above ash-rich deposit

Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska
The ~400 yr b.p. eruption of Half-Cone, a post-caldera composite cone within Aniakchak Caldera, Alaska Peninsula

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
ANI-01-0156.9338-158.1118Browne, B. L.2002-07-06 AniakchakNorthwest of Surprise LakeBrown pyroclast at top of section; above ash-rich depositANI-01-01Tephra FallCumulateBrown PumiceWhole-rock 60.15157241 1.10795059 16.43029061 7.346886002 0.187973664 2.745012233 5.947526505 4.077735564 1.710659798 0.294392616 100.5469191XRF7.346886002 1.796247179 39.51823948 547.072225 354.6700491 16.84235941 36.17556731 4.977232622 21.90035331 5.697305503 1.715556123 5.75404746 0.986163327 6.144600021 1.25098673 3.487052505 0.514245766 3.189467846 0.515085046 32.1284086 145.4121603 8.488395094 4.123778233 0.588236507 6.805589115 3.615766009 1.564183484 22.72700059 149 7 3 16 93 17 9191ICPMS: 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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