Sample: 244


Sample ID: 244 [1]
Station ID: 244
AT Num:
Volcano: Augustine
Possible source:
Eruption:
Collector: Becker, G. F.
Date sampled: 1895-01-01
Sample type 1: Lava
Color:
Final unit:
Text Description: Phenocrysts of augite, bronzite, and plagioclase in a groundmass containing glass, plagioclase microlites, and some magnetite. The feldspar, optically determined, is almost exclusively calcareous labradorite, but there is also a little alkaline labradorite. There is no free quartz.
Sample Location:

References Cited

[1] Reconnaissance of the gold fields of southern Alaska with some notes on general geology, 1898

Becker, G. F., 1898, Reconnaissance of the gold fields of southern Alaska with some notes on general geology: U.S. Geological Survey Annual Report 0018, p. 1-86, 6 sheets, scale unknown.
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