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SAMPLE INFO : Y-99
Sample ID:Y-99
Station ID:Y-99
Latitude:58.6113
Longitude:-154.0245
Datum:NAD83
Date Sampled:2000-00-00
Sample Type 1:Pyroclastic Flow
Text Description:
Kaguyak ignimbrite. Grey ignimbrite, mostly massive but for 4 lithic lag layers, 5 PCZ horizons are present, too. Ignimbrite is overlain by stratified pumiceous sediments; both top of ignimbrite (4-5 m) and sediments have ochre orange brown oxidation. Exposed thickness 25-30 m. PCZ: 0.25-1 m. LCZ: 2 m. See text for MP and ML. Pumice clasts: mostly grey pumice; scattered scoriae. Lithic clasts: mostly dark grey crystal rich dacite lavas.

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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