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Sample ID:ANI-03-03
Station ID:ANI-03-03
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-03-0356.9253-158.2052Browne, B. L.2002-07-07 Aniakchak[unclear]Beige-white tephra in west wall of Half Cone ANI-03-03Tephra FallCumulatepre-400 yrWhole-rock 65.89198603 0.91352568 16.52900979 4.210161827 0.169058264 1.466529519 3.788534591 4.318114695 2.434031632 0.279047978 98.1919191XRF4.210161827 2.71781044 57.11190826 720.1770832 284.5857068 22.69206359 48.14082544 6.479619745 27.49782957 6.77994738 1.867371324 6.81231846 1.170777335 7.075372611 1.49921768 4.14523048 0.604895601 3.833041964 0.620760196 38.6843328 206.1588968 11.80832816 5.662902759 0.827686571 9.468242075 5.740017923 2.429513621 15.32411046 53 0 3 4 83 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, Ni, Cu, Zn, Ga;


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