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SAMPLE INFO : 16
Sample ID:16
Station ID:16
Latitude:57.0179
Longitude:-157.1864
Datum:NAD83
Sample Type 1:Pyroclastic Flow
Text Description:
Sample of basal Yantarni cone deposits on the north flank. These are pyroclastic rocks composed of monolithic, slightly vesicular cobble- to boulder-sized clasts with a small amount of fine-grained matrix. Texture: Porphyry; groundmass <0.1 mm, plagioclase microlites and rare glass; seriate phenocrysts. 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
1657.0179-157.1864Unknown, UnknownYantarniNorth flank of Yantarni coneSample of basal Yantarni cone deposits on the north flank. These are pyroclastic rocks composed of monolithic, slightly vesicular cobble- to boulder-sized clasts with a small amount of fine-grained matrix. Texture: Porphyry; groundmass <0.1 mm, plagioclase microlites and rare glass; seriate phenocrysts. Alteration: None16Whole Rock 58.9 0.78 17.2 6.66 0.13 3.29 7.49 2.77 1.38 0.144Total calculated from mixed methods 99.8199XRF3.383.58LOI=1.24XRF

SAMPLE LOCATION

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