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SAMPLE INFO : 39
Sample ID:39
Station ID:39
Latitude:57.0179
Longitude:-157.1864
Datum:NAD83
Sample Type 1:Lava
Sample Type 2:Dome
Field Lithology:Andesite
Text Description:
Sample of dome consisting of pilotaxitic, hornblende-bearing andesite containing rare quartz phenocrysts(?). (Texture: Porphyry; groundmass <0.2 mm, vague foliation, plagioclase>clinopyroxene>hornblende=orthopyroxene=opaque; thin oxide rims on hornblende, clinopyroxene rims on quartz. Alteration: None)

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
3957.0179-157.1864Unknown, Unknown YantarniSample of dome consisting of pilotaxitic, hornblende-bearing andesite containing rare quartz phenocrysts(?). (Texture: Porphyry; groundmass <0.2 mm, vague foliation, plagioclase>clinopyroxene>hornblende=orthopyroxene=opaque; thin oxide rims on hornblende, clinopyroxene rims on quartz. Alteration: None)39Whole Rock 61.3 0.72 16.7 5.84 0.12 2.94 6.83 2.83 1.64 0.15Total calculated from mixed methods 100199XRF2.673.42LOI=0.9XRF

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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