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SAMPLE INFO : 73-ARh-94
Sample ID:73-ARh-94
Station ID:73-ARh-94
Latitude:62.3401
Longitude:-143.74878
Datum:NAD83
Date Sampled:1973-00-00
Sample Type 1:Lava
Sample Type 2:Dome
Field Lithology:Rhyolite
Text Description:
Wrangell Lava. Crystal-poor rhyolite dome. Pale-red, yellowish-gray to light-gray rhyolite generally exhibiting very fine and extremely contorted flow laminations. Contains traces of sodic plagioclase, less than 1 mm in diameter, in a cryptocrystalline groundmass. Includes a number of small exposures of rhyolite to the south and east of the main mass. May have been fed from multiple vents.

References:
Geologic map of the Nabesna B-6 Quadrangle, south-central 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
73-ARh-9462.3401-143.74878Richter, D. H.1973-00-00 Wrangell Lava; Nabesna B-6 quadrangle. Latitude and longitude derived from paper map.Wrangell Lava. Crystal-poor rhyolite dome. Pale-red, yellowish-gray to light-gray rhyolite generally exhibiting very fine and extremely contorted flow laminations. Contains traces of sodic plagioclase, less than 1 mm in diameter, in a cryptocrystalline groundmass. Includes a number of small exposures of rhyolite to the south and east of the main mass. May have been fed from multiple vents. 73-ARh-94LavaWhole-rock 72 0.24 15.5 1.78 0.1 0.24 1.19 5.8 3 0.07 99.392321NN1.830.12H2OP=0.24; H2OM=0.21; CO2=0.01RAPIDA

SAMPLE LOCATION

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