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Sample ID:ANI-02-10
Station ID:ANI-02-10
Date Sampled:2002-07-07
Sample Type 1:Tephra Fall
Sample Type 2:Agglutinate
Final Unit:Brown Pumice
Text Description:
Brown pyroclast in base of Brown Pumice welded agglutinate unit

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-02-1056.9182-158.2046Browne, B. L.2002-07-07 AniakchakHalf Cone southwest wallBrown pyroclast in base of Brown Pumice welded agglutinate unitANI-02-10Tephra FallCumulateBrown PumiceWhole-rock 59.01327323 1.18206862 16.6190834 8.333583772 0.184322564 2.814926121 6.250939144 3.996994741 1.342349111 0.262459304 99.8259191XRF8.333583772 1.588076779 33.81604393 485.7899188 363.7442309 12.98152702 26.54570445 3.64033327 16.01876397 4.116758945 1.545967817 4.483597566 0.754354198 4.587734131 0.973776341 2.748937723 0.400588212 2.501700586 0.400914076 24.8124073 132.2211764 7.682185755 3.721432796 0.535936625 17.08576033 3.104706016 1.314652729 24.2834049 189 8 3 18 91 20 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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