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SAMPLE INFO : 38
Sample ID:38
Station ID:38
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 <0.1 mm, foliated, plagioclase>orthopyroxene=hornblende=opaque; phenocrysts bimodal, 0.1 to 3 mm; hornblende reacting to plagioclase/clinopyroxene/opaque. Alteration: None)

References:
Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, 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
3857.0179-157.1864Unknown, UnknownYantarniSample of dome consisting of pilotaxitic, hornblende-bearing andesite containing rare quartz phenocrysts(?). (Texture: Porphyry; groundmass <0.1 mm, foliated, plagioclase>orthopyroxene=hornblende=opaque; phenocrysts bimodal, 0.1 to 3 mm; hornblende reacting to plagioclase/clinopyroxene/opaque. Alteration: None)38Whole Rock 60.7 0.72 16.9 6.02 0.13 3.3 7.25 2.8 1.59 0.16Total calculated from mixed methods 99.7199XRF2.743.52LOI=0.39XRF

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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