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Sample ID:94SJP77
Station ID:94SJP77
Date Sampled:1994-00-00
Sample Type 1:Lava
Text Description:
At least 30 thick, wall-like, blocky outcrop at South Pass. Fine grained, holocrystalline, porphyritic with a matrix of cryptocrystalline material, opaque, plagioclase and alteration. Plagioclase phenocrysts are up to 1.75 mm and occasionally have strong normal zoning, resorption embayments and/or alteration. Orthopyroxene phenocrysts are up to 1.2 mm and some have opaque inclusions. Clinopyroxene phenocrysts are up to 0.65 mm. Opaque phenocrysts are up to 0.5 mm. Trachydacite.

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
94SJP7762.27488818-143.3162942Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T6N, R11E, S2694SJP77LavaWhole-rock 64.48 0.92 16.48 4.75 0.1 1.46 3.52 5.27 2.37 0.31 99.7655DCP5.244.75LOI=0.35DCP 36 785 375 39 377 13.6 3.2 2.2 11.1 43bdl 2 6 83 19.9 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cu, Zn;


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