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SAMPLE INFO : Y-126
Sample ID:Y-126
Station ID:Y-126
Latitude:58.6113
Longitude:-154.0245
Datum:NAD83
Date Sampled:2000-00-00
Sample Type 1:Pyroclastic Flow
Text Description:
Kaguyak Ignimbrite. Dark grey-brown ignimbrite with a sandy matrix and abundant small dacite pumice clasts; includes at least one PCZ in upper part of the section; Conspicuous 2-m-thick LCZ near top of section (same as Y-125 LCZ). Ignimbrite+underlying fallout rest on Big Breccia deposit. Exposed thickness: 12 m. PCZs: one well-developed and several faint ones. See text for MP and ML. Pumice clasts: white pumice, coarsely vesicular, many large pxn-clot blebs. Lithic clasts: all lithics are andesite-dacite lava clasts; many have orange-brown alteration rinds.

References:
Kaguyak dome field and its Holocene caldera, Alaska Peninsula

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2geologic unitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
Y-12658.6113-154.0245Unknown, Unknown2000-00-00 KaguyakKaguyak. near Big River narrows, high on right bank, other side of nose from Y-125Kaguyak Ignimbrite. Dark grey-brown ignimbrite with a sandy matrix and abundant small dacite pumice clasts; includes at least one PCZ in upper part of the section; Conspicuous 2-m-thick LCZ near top of section (same as Y-125 LCZ). Ignimbrite+underlying fallout rest on Big Breccia deposit. Exposed thickness: 12 m. PCZs: one well-developed and several faint ones. See text for MP and ML. Pumice clasts: white pumice, coarsely vesicular, many large pxn-clot blebs. Lithic clasts: all lithics are andesite-dacite lava clasts; many have orange-brown alteration rinds.Y-126Pyroclastic FlowBombWhole Rock 63.47 0.69 16.42 5.36 0.13 2.57 5.86 3.99 0.97 0.14 99.744490XRF5.36 7.997833489 18.59703569 2.312904506 4490ICPMS 368 107 4490XRF

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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