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SAMPLE INFO : 94SJP64
Sample ID:94SJP64
Station ID:94SJP64
Latitude:62.28100341
Longitude:-143.1626827
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Tuff
Sample Type 2:Block
Field Lithology:Andesite
Text Description:
Rounded block from a palagonitized tuff at Gutbuster. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of devitrified brown glass and plagioclase. Plagioclase phenocrysts (An38, An55 - An61) are up to 4.37 mm; both normal and oscillatory zoning are present; grains are occasionally sieve textured with brown melt inclusions. Orthopyroxene phenocrysts are up to 2.87 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
94SJP6462.28100341-143.1626827Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T6N, R12E, S22Rounded block from a palagonitized tuff at Gutbuster. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of devitrified brown glass and plagioclase. Plagioclase phenocrysts (An38, An55 - An61) are up to 4.37 mm; both normal and oscillatory zoning are present; grains are occasionally sieve textured with brown melt inclusions. Orthopyroxene phenocrysts are up to 2.87 mm.94SJP64TuffDikeWhole-rock 57.98 0.74 16.82 5.83 0.1 5.77 7.11 3.59 1.13 0.21 100.0355DCP6.435.83LOI=0.71DCP 17.7 443 633 15 111 4.4 2.7 1.5 16.9 140 211 128 52 63 17 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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