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SAMPLE INFO : 6
Sample ID:6
Station ID:6
Latitude:56.58
Longitude:-169.63
Datum:NAD83
Date Sampled:1948-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Text Description:
Sample of a columnar, dense flow of chrysophyric hyalobasanite. The phenocrysts are fresh, euhedral olivine crystals. The groundmass consists of a brownish glass in a state of devitrification containing small grains of olivine, augite, plagioclase, and magnetite. Many secondary growths of chalcedony and zeolite occur throughout the glass.

References:
Geology and petrology of the Pribilof Islands, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedVolcanoEruptionLocation DescriptionText DescriptionSample IDMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
656.58-169.63Barth, T. F. W.1948-01-01St. George volcanic field2/3 of a mile south of Tolstoi Point, St. George IslandSample of a columnar, dense flow of chrysophyric hyalobasanite. The phenocrysts are fresh, euhedral olivine crystals. The groundmass consists of a brownish glass in a state of devitrification containing small grains of olivine, augite, plagioclase, and magnetite. Many secondary growths of chalcedony and zeolite occur throughout the glass.6Whole Rock 41.9 1.26 14.76 12.08 0.18 12.69 9.98 2.97 1.23 0.67 99.8301NN3.388.97H2OM=1.1; H2OP=1.15NN

SAMPLE LOCATION

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