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Sample ID:AC-21
Station ID:AC-21
Date Sampled:1997-01-01
Sample Type 1:Tephra Fall
Final Unit:Qbn
Text Description:
pumice, top of plinian fall, 25 m above base

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

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-2156.91589903-158.0687354Dreher, S. T.1997-01-01 AniakchakCaldera rim north of The Gates; Dreher loc 1pumice, top of plinian fall, 25 m above baseAC-21Tephra FallCumulateQbnWhole-rock 67.59 0.85 15.3 3.94 0.17 1.07 2.85 5.24 2.76 0.22 99.66658XRF0.663.33 3.001929977 64.91485698 824.9740835 259.4746212 26.48067763 56.66739005 7.665017243 33.18273704 8.299315858 2.192432001 8.471623051 1.404823353 8.700418342 1.822358017 5.08399887 0.766424447 4.740175999 0.773611028 48.45669855 249.3289039 14.56041056 6.809369825 0.991134905 10.50140014 6.132433197 2.644541879 15.12604854 658ICPMS


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