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Sample ID:94SJP123
Station ID:94SJP123
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Text Description:
Blocky andesite flow. Outcrop is spire-like with 1 -2 diameter blocks in a finer matrix of ash or altered andesite at Site 15. Fine grained, vesicular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque and plagioclase. Plagioclase phenocrysts (An39 - An60) are up to 3.55 mm and commonly have sieve textured zones, oscillatory zoning, and resorption embayments. Orthopyroxene phenocrysts are up to 1.2 mm. Clinopyroxene phenocrysts are up to 2.62 mm. Opaque phenocrysts are up to 0.4 mm. Trachyandesite.

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

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
94SJP12362.25515631-143.4665763Preece, S. J.1994-00-00 Skookum CreekNabesna A-5; T5N, R10E, S194SJP123LavaWhole-rock 58.89 1.19 17.22 7.44 0.13 2.87 5.47 4.63 1.85 0.36 99.7155DCP8.187.44LOI=-0.07DCP 37 460 516 32 286 8.6 6.5 2.6 12.9 128 4 8 32 70 19.4 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;


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