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SAMPLE INFO : 82Rj149B
Sample ID:82Rj149B
Station ID:82Rj149B
Latitude:57.108
Longitude:-135.60898
Datum:NAD83
Sample Type 1:Tephra Fall
Sample Type 2:Accretionary Lapilli
Text Description:
Scoriaceous lapilli from lowermost of multiple beds each 5-20 cm thick. Vesicles and phenocrysts each range from nearly zero to 20% among lapilli; average is 73.9% pale yellow-brown glass, 9.5% plagioclase, 1.0% pyroxene, 15.0% macrovesicles. Banding is defined in some lapilli by variable phenocryst size and content; one greywacke inclusion observed.

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
82Rj149B57.108-135.60898Unknown, Unknown EdgecumbeEdgecumbe; lat/long very approximate - derived from figure in publicationScoriaceous lapilli from lowermost of multiple beds each 5-20 cm thick. Vesicles and phenocrysts each range from nearly zero to 20% among lapilli; average is 73.9% pale yellow-brown glass, 9.5% plagioclase, 1.0% pyroxene, 15.0% macrovesicles. Banding is defined in some lapilli by variable phenocryst size and content; one greywacke inclusion observed.82Rj149BTephra FallCumulateWhole-rock 51.2 1.23 17.9 8.5 0.14 6.14 9.9 3.31 0.35 0.33 100.5161XRF3.235.59LOI=1XRF

SAMPLE LOCATION

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