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SAMPLE INFO : 94SJP102B
Sample ID:94SJP102B
Station ID:94SJP102
Latitude:62.26183578
Longitude:-143.0629603
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Tephra Fall
Sample Type 2:Bomb
Field Lithology:Basalt
Text Description:
Remnant of a spatter cone on the east side of Jaeger Mesa. Sample is a bomb out of the agglutinate. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of mesostasis and plagioclase. Sample is oxidized. Plagioclase phenocrysts (An40-An58) are up to 0.9 mm laths. Olivine phenocrysts are up to 0.55 mm and occasionally have a little iddingsite alteration.

References:
Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex

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
94SJP10262.26183578-143.0629603Preece, S. J.1994-00-00 Skookum CreekNabesna B-5, T6N, R13E, S31Remnant of a spatter cone on the east side of Jaeger Mesa. Sample is a bomb out of the agglutinate. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of mesostasis and plagioclase. Sample is oxidized. Plagioclase phenocrysts (An40-An58) are up to 0.9 mm laths. Olivine phenocrysts are up to 0.55 mm and occasionally have a little iddingsite alteration.94SJP102BTephra FallCumulateWhole-rock 51.92 1.56 17.66 8.4 0.14 6.93 9.01 3.2 0.75 0.41 100.0655DCP9.268.4LOI=0.01DCP 11.2 315 676 26 172 6.5 2.8 1.7 29.6 219 189 97 37 79 17.2 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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