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SAMPLE INFO : 94SJP88A
Sample ID:94SJP88A
Station ID:94SJP88D
Latitude:62.37656437
Longitude:-143.318242
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basaltic Andesite
Text Description:
Outcrop of 10-25' thick basaltic andesite flows on the east side of Goat Creek. Fine grained, vesicular, holocrystalline, seriate porphyritic, oxidized with a matrix of mesostasis, plagioclase, and microlites. Plagioclase phenocrysts (An47-An62) are up to 2.3 mm, and occasionally have sieve textured zones, normal zoning, and/or resorbed edges. Olivine phenocrysts are up to 1.05 mm, and have black coronas, resorption embayments and alteration. May be some pyroxene present.

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
94SJP88D62.37656437-143.318242Preece, S. J.1994-00-00 Skookum CreekNabesna B-5, T7N, R11E, S23Outcrop of 10-25' thick basaltic andesite flows on the east side of Goat Creek. Fine grained, vesicular, holocrystalline, seriate porphyritic, oxidized with a matrix of mesostasis, plagioclase, and microlites. Plagioclase phenocrysts (An47-An62) are up to 2.3 mm, and occasionally have sieve textured zones, normal zoning, and/or resorbed edges. Olivine phenocrysts are up to 1.05 mm, and have black coronas, resorption embayments and alteration. May be some pyroxene present.94SJP88ALavaWhole-rock 53.87 1.25 19.06 7.86 0.13 4.79 7.89 4.07 0.88 0.28 100.955DCP8.737.86LOI=-0.08DCP 12.6 292 665 21 106 4.6 2.1 2.8 20.5 196 23 47 46 69 19 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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