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SAMPLE INFO : 81AWs 271
Sample ID:81AWs 271
Station ID:81AWs 271
Latitude:57.724
Longitude:-156.37
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Lava
Field Lithology:Dacite
Text Description:
Light-gray (N 7), vesicular biotite-plagioclase dacite porphyry. Major phases are biotite, quartz, hornblende, orthopyroxene, plagioclase (An 30*), and glass. Weakly developed flow foliation, numerous dark-gray (N 3) xenoliths in hand sample and thin section. Dome in post-glacial (?) Ugashik caldera.

References:
Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, Alaska

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
81AWs 27157.724-156.37Wilson, F. H.1981-01-01 Ugashik calderaUgashik C-2, Ugashik calderaLight-gray (N 7), vesicular biotite-plagioclase dacite porphyry. Major phases are biotite, quartz, hornblende, orthopyroxene, plagioclase (An 30*), and glass. Weakly developed flow foliation, numerous dark-gray (N 3) xenoliths in hand sample and thin section. Dome in post-glacial (?) Ugashik caldera.81AWs 271LavaWhole-rock 65.9 0.42 16.7 4.14 0.13 1.72 4.82 3.76 1.78 0.13 99.614092XRF1.962.36CO2=0.12; H2OP=0.28; H2OM=0.1XRF 700 700 0 30 200 0 < 5 0 15 200 0 5 20 5< 5< 5 0 0 4092ES: Ba, Sr, Y, Zr, Sc, V, Fe, Co, Ni; AAS: Pb, Cu, Zn;

SAMPLE LOCATION

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