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SAMPLE INFO : 81ARj 38a
Sample ID:81ARj 38a
Station ID:81ARj 38
Latitude:57.2
Longitude:-156.777
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Other
Sample Type 2:Pyroclast
Field Lithology:Dacite
Text Description:
Fine-grained, flow-foliated, porphyritic dacite clast in ash flow. Contains phenocrysts of zoned plagioclase (An 60) and quartz and lithic fragments. Lithic fragments are plagioclase and clinopyroxene or only plagioclase; no mafic minerals are present among the phenocrysts or in the groundmass. Aggregates of very fine grained opaque minerals in pseudomorphs after hornblende (?)

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 2geologic 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
81ARj 38 57.2 -156.777 Riehle, J. R. 1981-01-01 Kialagvik Ugashik A-3, Mount Kialagvik Fine-grained, flow-foliated, porphyritic dacite clast in ash flow. Contains phenocrysts of zoned plagioclase (An 60) and quartz and lithic fragments. Lithic fragments are plagioclase and clinopyroxene or only plagioclase; no mafic minerals are present among the phenocrysts or in the groundmass. Aggregates of very fine grained opaque minerals in pseudomorphs after hornblende (?) 81ARj 38a Other Quenched Inclusion Whole Rock 64 0.56 16.4 4.91 0.1 2.66 5.78 3.12 2.12 0.15 98.544092XRF3.991.23

SAMPLE LOCATION

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