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SAMPLE INFO : 72-ARh-319a
Sample ID:72-ARh-319a
Station ID:72-ARh-319a
Latitude:62.1458
Longitude:-143.1867
Datum:NAD83
Date Sampled:1972-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Dacite
Text Description:
Dacite flow. Massive single flow unit, 250 m thick, with dark-gray glassy base, light-gray crystalline interior, and vapor-phase vesicular top. Rocks contain small phenocrysts of hypersthene and minor augite in a dense, fine-grained plagioclase-rich felty matrix.

References:
Geologic map of the Nabesna A-5 quadrangle, 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
72-ARh-319a62.1458-143.1867Richter, D. H.1972-00-00 Nabesna A-5 quadrangle; Wrangell Lava; Wrangell Volcanic Field. lat long points derived from paper map.Dacite flow. Massive single flow unit, 250 m thick, with dark-gray glassy base, light-gray crystalline interior, and vapor-phase vesicular top. Rocks contain small phenocrysts of hypersthene and minor augite in a dense, fine-grained plagioclase-rich felty matrix.72-ARh-319aLavaWhole-rock 62.7 0.71 17.4 4.8 0.13 1.6 4.4 5.2 1.6 0.43 100.174537RAPIDA1.53.5H2O=1RAPIDA

SAMPLE LOCATION

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