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SAMPLE INFO : 94SJP50B
Sample ID:94SJP50B
Station ID:94SJP50B
Latitude:62.41629204
Longitude:-143.1010239
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Dike
Field Lithology:Andesite
Text Description:
Dike cutting through 94SJP50A. The dike is 5 thick, trending N90E, and is columnar jointed. Fine-grained, vesicular, holocrystalline, weakly pilotaxitic, porphyritic with a matrix of mesostasis, opaque, plagioclase and red alteration. Plagioclase phenocrysts (An42 - An58) have two populations 3.5-0.15 mm with some sieve textured cores or intermediate zones, and complex zoning; and 0.15-0.05 mm needles. Orthopyroxene phenocrysts are 1.0-0.1 mm,. Clinopyroxene phenocrysts are 0.7-0.1 mm and twinning is common.

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
94SJP50B62.41629204-143.1010239Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T7N, R12E, S194SJP50BLavaWhole-rock 57.9 1.22 17.19 7.01 0.17 2.78 6.73 4.25 1.13 0.19 100.0555DCP7.747.01LOI=1.43DCP 21.7 477 513 26 159 4.8 2.1 1.2 21 163 17 18 44 74 18.2 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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