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SAMPLE INFO : 94SJP75
Sample ID:94SJP75
Station ID:94SJP75
Latitude:62.27349908
Longitude:-143.3182386
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Text Description:
Approximately 30 thick flow at South Pass. Fine grained, hypocrystalline, trachytic, seriate porphyritic with a matrix of brown glass, opaque, plagioclase, alteration and pyroxene?. Plagioclase phenocrysts (An38 - An63) are up to 1.75 mm and occasionally have strong normal zoning. Olivine? phenocrysts are up to 0.6 mm and mostly altered. Opaque phenocrysts are up to 0.45 mm. Clinopyroxene phenocrysts are up to 0.22 mm. Trachyandesite.

References:
Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex

GEOCHEM DATA
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
94SJP7562.27349908-143.3182386Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T6N, R11E, S2694SJP75LavaWhole-rock 60.17 1.22 16.97 6.47 0.16 2.07 4.61 5.2 2.03 0.52 99.9955DCP7.146.47LOI=0.56DCP 29 601 429 43 335 14.6 5.8 1.9 13.7 66 1 3 10 90 20.3 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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