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SAMPLE INFO : 50
Sample ID:50
Station ID:50
Latitude:57.0179
Longitude:-157.1864
Datum:NAD83
Sample Type 1:Lava
Text Description:
Texture: Porphyry; groundmass <0.1 mm, massive plagioclase >> chlorite = mica; quartz as anhedral mosaics (xenolithics); apatite microphenocrysts. Alteration: Plagioclase altered to chlorite/mica, hornblende to chlorite/hematite; veinlets of hematite/calcite/mica

References:
Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation 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
5057.0179-157.1864Unknown, Unknown YantarniTexture: Porphyry; groundmass <0.1 mm, massive plagioclase >> chlorite = mica; quartz as anhedral mosaics (xenolithics); apatite microphenocrysts. Alteration: Plagioclase altered to chlorite/mica, hornblende to chlorite/hematite; veinlets of hematite/calcite/mica50Whole Rock 60.5 0.64 16 4.79 0.09 3.362 4.7 3.56 1.67 0.19Total calculated from mixed methods 99.7199XRF1.982.99LOI=4.38XRF

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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