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Sample ID:ANI-18
Station ID:Aniakchak_Site_18
Date Sampled:2002-00-00
Sample Type 1:Tephra Fall
Sample Type 2:Bomb
Final Unit:Q31t
Text Description:
Unit B; Dense black phenocryst-rich andesitic bomb, rounded and smooth exterior

The 1931 eruption of Aniakchak volcano, Alaska
Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska

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
Aniakchak_Site_1856.87901-158.19549Nicholson, R. S.2002-00-00 Aniakchak1931-5-1Blocky Cone rimUnit B; Dense black phenocryst-rich andesitic bomb, rounded and smooth exteriorANI-18Tephra FallCumulateQ31tWhole-rock 67.26 0.779 15.95 3.57 0.166 1.16 3.3 5.07 2.52 0.218 3658XRF3.57 2.757145793 59.39067614 786.7304102 289.8922044 23.27435505 49.15638929 6.614998618 27.85674239 6.822845901 1.929504239 6.859166881 1.176145757 7.309718926 1.525393622 4.240894453 0.625176259 4.043917893 0.650750327 39.88948488 210.0269652 12.19061607 5.855801605 0.84881469 9.633513372 5.208150779 2.384674498 13.73167929 27 0 4 4 88 18 3658ICPMS: 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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