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SAMPLE INFO : 81ASJ86N
Sample ID:81ASJ86N
Station ID:81ASJ86N
Latitude:62.353
Longitude:-143.554
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basalt
Text Description:
fine-grained vesicular olivine basalt flow. Most olivine phenocrysts are less than 1 mm in diameter. Sample is from a flow which is part of a post-Tanada cinder and lava cone. Sample is whole-rock K-Ar dated to 0.972 +/- 0.049 m.y.

References:
Shield volcanoes in the Wrangell Mountains, Alaska

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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