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SAMPLE INFO : Y-107
Sample ID:Y-107
Station ID:Y-107
Latitude:58.6113
Longitude:-154.0245
Datum:NAD83
Date Sampled:2000-00-00
Sample Type 1:Other
Text Description:
bulk sample of fines-rich sandy blue-grey mud deposit, probably runout from hyperconcentrated sand flow into swam. Cutbank exposes layers of mud intercalated with layers/lenses of debris flow and bedded sand and silt, overlying hyperconcentrated sand flow deposit. Section was remobilized rapidly from primary ignimbrite, but no primary ignimbrite is seen here. Exposed thickness > 4 m. Grey muddy facies has pumice scattered to 1.5 cm. Lithics mostly andesite-dacite lava to 1 cm, but include minor Jn and pyrite-bearing altered lava. Pumice clasts: mostly white pumice

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

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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