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SAMPLE INFO : 94SJP47
Sample ID:94SJP47
Station ID:94SJP47
Latitude:62.41907
Longitude:-143.1018574
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Dike
Field Lithology:Rhyolite
Text Description:
Feeder dike for Dome C cutting up through silicic material from Dome A at Site 3. Fine grained, holocrystalline, trachytic, porphyritic to seriate porphyritic with a matrix of cryptocrystalline material, opaque, feldspar and biotite?. Plagioclase phenocrysts (An32 - An61) are up to 2.4 mm; the larger grains may have oscillatory zoning. Opaque phenocrysts are up to 0.25 mm.

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
94SJP4762.41907-143.1018574Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T7N, R12E, S1Feeder dike for Dome C cutting up through silicic material from Dome A at Site 3. Fine grained, holocrystalline, trachytic, porphyritic to seriate porphyritic with a matrix of cryptocrystalline material, opaque, feldspar and biotite?. Plagioclase phenocrysts (An32 - An61) are up to 2.4 mm; the larger grains may have oscillatory zoning. Opaque phenocrysts are up to 0.25 mm.94SJP47LavaWhole-rock 70.18 0.3 16.3 2.59 0.06 0.24 2.14 5.25 2.36 0.15 99.4955DCP2.862.59LOI=0.43DCP 41 834 332 18 289 7.6 4.1 2.2 1.8 8bdl 1 2 62 16.7 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cu, Zn;

SAMPLE LOCATION

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