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Sample ID:ANI-03-04
Station ID:ANI-03-04
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-03-0456.9227-158.2072Browne, B. L.2002-07-07 Aniakchak[unclear]Beige-white tephra in west wall of Half Cone ANI-03-04Tephra FallCumulatepre-400 yrWhole-rock 66.08113334 0.891530461 16.36507969 4.158440025 0.1658898 1.404465794 3.674001099 4.467829591 2.513790226 0.277839972 98.2589191XRF4.158440025 2.823033262 58.4226195 744.2909634 292.9846136 23.08700328 49.34142064 6.56943921 28.05922416 6.839249162 1.906166202 7.002876141 1.17828668 7.315432425 1.509279997 4.23075726 0.619118762 3.895613647 0.630113577 39.0353721 208.4250098 12.07747663 5.788442832 0.866463802 9.707378169 5.943105849 2.528180366 15.27294641 38 0 4 5 85 18 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, Ni, Cu, Zn, Ga;


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