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Sample ID:94SJP98
Station ID:94SJP98
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Dike
Field Lithology:Andesite
Text Description:
A dike 2-4 thick, trending N75E and subvertical, cutting thorough intercaldera flows just below the main peak at Tanada Peak. Fine grained, vesicular, holocrystalline, seriate to glomeroporphyritic with a matrix of mesostasis, opaque, plagioclase and clinopyroxene. Plagioclase phenocrysts (An34 - An64) are up to 4.0 mm and occasionally display sieve textured zones, rounded rims, and/or oscillatory zoning. Clinopyroxene phenocrysts are up to 0.75 mm. Orthopyroxene phenocrysts are up to 0.9 mm and many are altered.

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
94SJP9862.29988115-143.4860247Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T6N, R10E, S1394SJP98LavaWhole-rock 58.88 0.75 17.4 5.56 0.1 4.34 7.27 3.63 1.02 0.21 100.5255DCP6.175.56LOI=0.83DCP 13.4 530 638 15 98 3.6 3.9 1.1 18.1 151 71 61 55 58 17.3 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;


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