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SAMPLE INFO : AC-14
Sample ID:AC-14
Station ID:AC-14
Latitude:56.91589903
Longitude:-158.0687354
Datum:NAD83
Date Sampled:1997-01-01
Sample Type 1:Tephra Fall
Final Unit:Qbn
Text Description:
coarse buff-colored pumice block, main plinian fall, 1 m above base

References:
The physical volcanology and petrology of the 3400 YBP caldera-forming eruption of Aniakchak Volcano, Alaska
Low-delta (super 18) O tephra from a compositionally zoned magma body: Fisher Caldera, Unimak Island, Aleutians
Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialCoeffSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
AC-1456.91589903-158.0687354Dreher, S. T.1997-01-01 Aniakchak-5050--Caldera rim north of The Gates; Dreher loc 1coarse buff-colored pumice block, main plinian fall, 1 m above baseAC-14Tephra FallCumulateQbnGlass 70.06 0.62 14.96 3.31 0.16 0.58 2.04 4.78 3.22 0.13 9191EMP3.31Cl=0.15EMP

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
AC-1456.91589903-158.0687354Dreher, S. T.1997-01-01 Aniakchak-5050--Caldera rim north of The Gates; Dreher loc 1coarse buff-colored pumice block, main plinian fall, 1 m above baseAC-14Tephra FallCumulateQbnWhole-rock 68.94 0.73 14.97 0.16 0.74 2.3 5.2 3 0.16 99.33815XRF3.7 3.259596751 69.64594244 875.0370715 206.5423043 27.82467872 58.79995915 7.817565864 33.65593259 8.28660602 2.061223878 8.479959704 1.40427096 8.873810598 1.844254486 5.193198429 0.7856651 4.950462479 0.805104612 48.15084391 264.3888015 15.21658331 7.374135451 1.057554045 11.12543286 6.754743111 2.907748144 13.18503494 658ICPMSFeOT V=3.7, M=, R=815;
AC-1456.91589903-158.0687354Dreher, S. T.1997-01-01 Aniakchak-5050--Caldera rim north of The Gates; Dreher loc 1coarse buff-colored pumice block, main plinian fall, 1 m above baseAC-14Tephra FallCumulateQbnWhole-rock 68.94 0.73 14.97 3.7 0.16 0.74 2.3 5.2 3 0.16 99.38658XRF0.493.26FeOT V=3.7, M=, R=815;

SAMPLE LOCATION

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