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SAMPLE INFO : FC-110
Sample ID:FC-110
Station ID:FC-110
Latitude:54.693
Longitude:-164.314
Datum:NAD83
Date Sampled:2000-07-18
Sample Type 1:Other
 Text Description:
Top of ridge is maar breccia and large lava blocks (grey, plag phyric). Wall is breccia and coarse scoria. Breccia caps all surfaces of maar (unlike all other nearby areas, here coverage is complete, although NOT in outcrop). Coarse scoria from Maar wall. Very small plag xtals, nearly aphyric, very frothy. Also a sample of breccia(check for small, angular glass shards as an indicator of phreatic nature)

References:
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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