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Sample ID:ANI-02-01
Station ID:ANI-02-01
Date Sampled:2002-07-07
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Final Unit:Brown Pumice
Text Description:
Brown pyroclast in Brown Pumice agglutinate

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-02-0156.9182-158.2046Browne, B. L.2002-07-07 AniakchakHalf Cone southwest wallBrown pyroclast in Brown Pumice agglutinateANI-02-01Tephra FallCumulateBrown PumiceWhole-rock 64.82328152 0.872659325 16.33006003 4.842364728 0.17194768 1.958016936 4.065121457 4.47262752 2.206496243 0.257424562 100.6129191XRF4.842364728 2.435808818 51.95940342 697.7937947 308.8866594 21.19818526 44.85594846 5.993239148 26.01529384 6.49809435 1.861923416 6.532133042 1.115908145 6.970001203 1.461421359 4.036674688 0.601366086 3.791824388 0.606664086 37.04044163 185.9834072 10.99870036 5.220939984 0.757178809 9.079114611 4.894601229 2.123596801 16.99135681 63 0 4 10 87 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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