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Sample ID:94SJP111
Station ID:94SJP111
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Text Description:
Flows 15-20 thick with well developed vesicular/rubbly flow tops. Outcrop weathers into large blocks and plates. Overlies black scree that may be vitrophyre shown by Lowe et al., 1983. Fine grained, vesicular, hypocrystalline, porphyritic with a matrix of brown glass, opaque, plagioclase, clinopyroxene and orthopyroxene. Plagioclase phenocrysts (An57 - An63) are up to 5.17 mm and occasionally have sieve textured zones, pyroxene inclusions, resorption embayments and/or oscillatory zoning. Orthopyroxene phenocrysts are up to 3.0 mm. Clinopyroxene phenocrysts are up to 3.5 mm.

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
94SJP11162.23682799-143.3404597Preece, S. J.1994-00-00 Skookum CreekNabesna A-5; T5N, R11E, S394SJP111LavaWhole-rock 58.76 1.2 17.7 6.07 0.1 2.94 6.9 4.19 1.48 0.32 100.4855DCP6.746.07LOI=0.3DCP 31 547 528 24 181 6.3 4.2 1 15.9 166 30 36 60 64 18.6 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;


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