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SAMPLE INFO : NA94-20C
Sample ID:NA94-20C
Station ID:NA94-20C
Latitude:56.899
Longitude:-158.1915
Datum:NAD83
Date Sampled:1994-07-18
Sample Type 1:Tephra Fall
Sample Type 2:Bulk
Final Unit:Q31t
 Text Description:
1931 basal pumice fall

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

GEOCHEM DATA
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
NA94-20C56.899-158.1915Neal, C. A.1994-07-18 Aniakchak1931-5-1Caldera floor section just southeast of 1931 Main Crater1931 basal pumice fallNA94-20CTephra FallCumulateQ31tWhole-rock 65.84 0.85 16.1 4.38 0.17 1.33 3.6 5.14 2.31 0.28 100.666132XRF4.38 2.459660535 53.24193764 716.7920303 301.6020867 21.98827657 46.76328768 6.356079613 26.73889202 6.788236169 1.928953679 7.143788841 1.172311842 7.389228263 1.539043781 4.153947927 0.621993869 3.969232136 0.644270035 39.05752337 193.8934904 11.37693008 5.435963159 0.784682722 9.17173964 5.123398326 2.228215852 13.98830171 45 0 2 2 90 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;
NA94-20C56.899-158.1915Neal, C. A.1994-07-18 Aniakchak1931-5-1Caldera floor section just southeast of 1931 Main Crater1931 basal pumice fallNA94-20CTephra FallCumulateQ31tWhole-rock 65.84 0.85 16.1 4.38 0.17 1.33 3.6 5.14 2.31 0.28 100.663658XRF4.38

SAMPLE LOCATION

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