Sample: K-2560
| Sample ID: | K-2560 [1] |
| Station ID: | K-2560 |
| AT Num: | |
| Volcano: | |
| Possible source: | |
| Eruption: | |
| Collector: | Unknown, Unknown |
| Date sampled: | |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | early Quaternary/late Tertiary pre-Snowy Mountain volcanic rocks - part of an older volcanic arc. Sample in thin section is 10-15% plagioclase, to 3 mm; 5% subequal amounts of clinopyroxene and orthopyroxene, to 1 mm; 1% oxides to 0.5 mm; no olivine; sieved plagioclase present in a few grains; no oxide-pyroxene-plagioclase aggregates. |
| Sample Location: |
References Cited
[1] Snowy Mountain: A pair of small andesite-dacite stratovolcanoes in Katmai National Park, 2001
Hildreth, E. W., Fierstein, Judy, Lanphere, M. A., and Siems, D. F., 2001, Snowy Mountain: A pair of small andesite-dacite stratovolcanoes in Katmai National Park: in Gough, L. P. and Wilson, F. H., (eds.), Geologic studies in Alaska by the U.S. Geological Survey, 1999, U.S. Geological Survey Professional Paper PP 1633, p. 13-34.
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