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Sample ID:ANI-03-02
Station ID:ANI-03-02
Date Sampled:2002-07-07
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Final Unit:pre-400 yr
Text Description:
Beige-white tephra in west wall of Half Cone

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-03-0256.9268-158.2024Browne, B. L.2002-07-07 Aniakchak[unclear]Beige-white tephra in west wall of Half Cone ANI-03-02Tephra FallCumulatepre-400 yrWhole-rock 65.66418595 0.903252115 16.40330309 4.562136813 0.168212866 1.478234275 3.751656642 4.342950352 2.446732593 0.279335304 98.099191XRF4.562136813 2.668147322 56.04029572 717.9707462 291.5082664 22.40207207 47.68611609 6.397270547 27.14877745 6.662730369 1.794149166 6.81100917 1.139584914 7.122482264 1.455348294 4.110544264 0.607235765 3.756041613 0.606288867 38.21083319 202.1315677 11.70920458 5.560288127 0.814848072 9.248408646 5.640396192 2.369005447 15.51347386 52 2 3 3 83 16 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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