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Sample ID:NA94-2
Station ID:NA94-2
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Final Unit:New Cone
Text Description:
New Cone pumice bomb

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
NA94-256.8793-158.1358Neal, C. A. AniakchakNew Cone rim, southeast flank of Vent MountainNew Cone pumice bombNA94-2Tephra FallCumulateNew ConeWhole-rock 65.21760976 0.926512114 15.95771407 4.6928542 0.162792801 1.26616623 3.718107182 5.265643685 2.492136706 0.300463256 99.5139191XRF4.6928542 2.673504647 57.0921876 726.2694567 295.3604068 23.46550823 50.66346434 6.790934701 28.60529832 7.330991926 1.968553376 7.002623022 1.261095968 7.690557778 1.643927691 4.612320478 0.68472673 4.204199356 0.675120422 41.04834483 213.9458386 12.44041895 6.094489468 0.872842291 9.750026165 5.714016658 2.433978443 0 42 0 5 5 82 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; XRF: V, Ni, Cu, Zn, Ga;


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