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SAMPLE INFO : 72-ARh-338
Sample ID:72-ARh-338
Station ID:72-ARh-338
Latitude:62.2254
Longitude:-143.4408
Datum:NAD83
Date Sampled:1972-00-00
Sample Type 1:Lava
Sample Type 2:Dome
Field Lithology:Rhyolite
Text Description:
Rhyolite dome. Light-colored dome with rubble carapace. Rocks are light gray to buff and fine-grained, and contain sparse altered hornblende and rare hypersthene phenocrysts in a dense feldspar-rich hyalopilitic and pilotaxitic 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-33862.2254-143.4408Richter, D. H.1972-00-00 Nabesna A-5 quadrangle; Wrangell Lava; Wrangell Volcanic Field. lat long points derived from paper map.Rhyolite dome. Light-colored dome with rubble carapace. Rocks are light gray to buff and fine-grained, and contain sparse altered hornblende and rare hypersthene phenocrysts in a dense feldspar-rich hyalopilitic and pilotaxitic matrix.72-ARh-338LavaWhole-rock 71.4 0.17 15.9 1.64 0.02 0.62 2 4.9 2 0.12 100.074537RAPIDA1.30.44H2O=1.2RAPIDA

SAMPLE LOCATION

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