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SAMPLE INFO : 81ARj 38b
Sample ID:81ARj 38b
Station ID:81ARj 38
Latitude:57.2
Longitude:-156.777
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Other
Sample Type 2:Pyroclast
Field Lithology:Dacite
Text Description:
Find-grained, porphyritic dacite clast in ash flow. Very similar to sample 81ARj 38a; although, not flow foliated. Contains a higher proportion of lithic fragments, and the plagioclase phenocrysts have an An content of 56.

References:
Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, 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
81ARj 3857.2-156.777Riehle, J. R.1981-01-01 KialagvikUgashik A-3, Mount KialagvikFind-grained, porphyritic dacite clast in ash flow. Very similar to sample 81ARj 38a; although, not flow foliated. Contains a higher proportion of lithic fragments, and the plagioclase phenocrysts have an An content of 56.81ARj 38bWhole Rock 65.3 0.44 16 4.54 0.1 2.4 5.42 3.19 2.19 0.14 98.784092XRF4.150.74

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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