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SAMPLE INFO : 72-ARh-305
Sample ID:72-ARh-305
Station ID:72-ARh-305
Latitude:62.1144
Longitude:-143.2659
Datum:NAD83
Date Sampled:1972-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basaltic Andesite
Text Description:
Massive basaltic andesite flow. Massive flow or flows of dense to vesicular basaltic andesite exhibiting pronounced columnar jointing. Rocks are dark gray to black and contain abundant olivine phenocrysts in a fine-grained intersertal to intergranular matrix. Unit caps north end of Lakes Plateau. Source is probably local.

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-30562.1144-143.2659Richter, D. H.1972-00-00 JarvisNabesna A-5 quadrangle; Wrangell Lava; Wrangell Volcanic Field. lat long points derived from paper map. Sample from Jarvis (?)Massive basaltic andesite flow. Massive flow or flows of dense to vesicular basaltic andesite exhibiting pronounced columnar jointing. Rocks are dark gray to black and contain abundant olivine phenocrysts in a fine-grained intersertal to intergranular matrix. Unit caps north end of Lakes Plateau. Source is probably local.72-ARh-305LavaWhole-rock 54.3 1.2 15.6 7.1 0.11 7.8 7.2 3.1 2.1 0.43 100.344537RAPIDA1.75.6H2O=1.1RAPIDA

SAMPLE LOCATION

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