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Sample ID:93SJP27
Station ID:93SJP27
Date Sampled:1993-00-00
Sample Type 1:Lava
Sample Type 2:Dike
Field Lithology:Andesite
Text Description:
Approximately 10 thick vertical dike cutting up through silicic material Dome A at Site 2. Fine-grained, holocrystalline, porphyritic with a matrix of mesostasis, opaque, plagioclase and alteration. Plagioclase phenocrysts (An30 - An58) are up to 3.45 mm and some have complex zoning with prussian blue extinction, resorption embayments; both twinned and untwinned grains are present. Clinopyroxene phenocrysts are up to 2.0 mm. Orthopyroxene is up to 0.8 mm and some have opaque inclusions.

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
93SJP2762.43351542-143.106303Preece, S. J.1993-00-00 Skookum CreekNabesna B-5; T8N, R12E, S3693SJP27LavaWhole-rock 61.96 1 16.94 5.52 0.1 2.36 4.98 4.77 1.64 0.28 99.9255DCP6.095.52LOI=0.45DCP 28 558 441 23 194 6.4 4.5 1.8 14.2 109 17 10 22 71 18.4 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;


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