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SAMPLE INFO : AC-18
Sample ID:AC-18
Station ID:AC-18
Latitude:56.91589903
Longitude:-158.0687354
Datum:NAD83
Date Sampled:1997-01-01
Sample Type 1:Tephra Fall
Final Unit:Qbn
Text Description:
pumice blcok from main plinian fall, 1 m below top of 10 m thick section

References:
The physical volcanology and petrology of the 3400 YBP caldera-forming 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
AC-1856.91589903-158.0687354Dreher, S. T.1997-01-01 AniakchakCaldera rim north of The Gates; Dreher loc 1pumice blcok from main plinian fall, 1 m below top of 10 m thick sectionAC-18Tephra FallCumulateQbnWhole-rock 69.11 0.72 15 3.62 0.16 0.7 2.26 5.22 3.07 0.16 98.84658XRF0.483.15 3.298419563 69.97491699 882.6264659 213.7600902 28.20940393 59.95882243 7.968812826 33.85800639 8.634162111 2.117582865 8.513310485 1.43118375 9.062675234 1.887181703 5.209105085 0.796584386 5.003496024 0.818256612 49.06781084 269.0352649 15.33335225 7.437366238 1.06413208 11.26912439 6.849127742 2.918473001 13.31130363 658ICPMS

SAMPLE LOCATION

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