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SAMPLE INFO : 81Rj046Ad
Sample ID:81Rj046Ad
Station ID:81Rj046Ad
Latitude:57.075547
Longitude:-135.729442
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Tephra Fall
Text Description:
Dark band from light and dark gray, banded pumiceous blocks, southeast rim of Mount Edgecumbe crater; light band has marginally higher SiO2 and K2O and marginally lower FeOT, MgO, and CaO.

References:
Pyroclastic deposits of the Mount Edgecumbe volcanic field, Southeast Alaska: eruptions of a stratified magma chamber

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
81Rj046Ad57.075547-135.729442Unknown, Unknown1981-01-01 EdgecumbeEdgecumbe; lat/long very approximate - derived from figure in publicationDark band from light and dark gray, banded pumiceous blocks, southeast rim of Mount Edgecumbe crater; light band has marginally higher SiO2 and K2O and marginally lower FeOT, MgO, and CaO.81Rj046AdTephra FallCumulateWhole-rock 64.7 0.7 16.6 4.44 0.07 1.9 4.5 4.26 1.6 0.2 99.5161XRF2.222.41LOI=1XRF

SAMPLE LOCATION

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