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SAMPLE INFO : 91CND13b
Sample ID:91CND13b
Station ID:91CND13b
Latitude:58.863
Longitude:-153.2822
Datum:NAD83
Date Sampled:1991-01-01
Sample Type 1:Lava
Sample Type 2:Sill
Text Description:
Amphibole andesite sill. One of 4 to 5 sills intruding black silty shale exposed along the shore of Sukoi Bay, 15 km east of Douglas. Buff-weathering with gray-green interior, locally extensively weathered. Amphibole andesite containing ~ 15% brown, opacite-rimmed amphibole up to 4 x 1 cm (typically 1 x 0.2 cm); 35 % altered plagioclase phenocrysts, and patchy chloritic pseudomorphs after pyroxene in a microcrystalline matrix.

References:
Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell

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
91CND13b58.863-153.2822Nye, C. J.1991-07-20 DouglasAmphibole andesite sill. One of 4 to 5 sills intruding black silty shale exposed along the shore of Sukoi Bay, 15 km east of Douglas. Buff-weathering with gray-green interior, locally extensively weathered. Amphibole andesite containing ~ 15% brown, opacite-rimmed amphibole up to 4 x 1 cm (typically 1 x 0.2 cm); 35 % altered plagioclase phenocrysts, and patchy chloritic pseudomorphs after pyroxene in a microcrystalline matrix.91CND13bLavaWhole-rock 60.13 0.647 18.3 0.152 2.79 6.5 4.87 0.522 0.168 99.5913291XRF5.92 0.13083 10 188 399 0 10 2.27798 10.54425 2.93673 1.02296 3.26593 0.58427 3.72095 0.78722 2.21507 0.3377 2.21331 0.35872 21 124 3.3 2.70027 0.13165 1 1 0.40035 13 128 12 4 20 80 19 13291ICPMS: Cs, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, U; XRF: Rb, Ba, Sr, Ce, Y, Zr, Nb, Pb, Th, Sc, V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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