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Sample ID:94SJP101B
Station ID:94SJP101B
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Dike
Field Lithology:Andesite
Text Description:
Approximately 5 thick dike? that trends N40E at Site 13. It looks the same as 94SJP101C. Fine grained, holocrystalline, porphyritic with a matrix of mesostasis, opaque, plagioclase, clinopyroxene and alteration. Plagioclase phenocrysts (An41 - An62) are up to 5.12 mm and a few have oscillatory zoning. Orthopyroxene phenocrysts are up to 1.2 mm and some have clinopyroxene rims. Clinopyroxene phenocrysts are up to 1.75 mm. An altered phase, olivine?, up to 1.12 mm, is sometimes rimmed by small pyroxene grains.

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
94SJP101B62.35628735-143.198241Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T7N, R12E, S2894SJP101BLavaWhole-rock 57.04 1.23 17.37 6.69 0.13 3.88 7.71 3.7 1.39 0.26 100.6955DCP7.446.69LOI=0.58DCP 21.9 413 475 24 169 4.5 3.2 2.6 21.8 189 67 35 64 70 18.1 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;


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