Sample: 46 ABy 30a
| Sample ID: | 46 ABy 30a [1] [2] [3] |
| Station ID: | 46 ABy 30a |
| AT Num: | |
| Volcano: | Okmok |
| Possible source: | |
| Eruption: | |
| Collector: | Byers, F. M. J. |
| Date sampled: | 1946-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | Pr |
| Text Description: | Rhyolite obsidian band in rhyolite from northeastern Umnak |
| Sample Location: |
References Cited
[1] Petrology of three volcanic suites, Umnak and Bogoslof Islands, Aleutian Islands, Alaska, 1961
Byers, F. M., 1961, Petrology of three volcanic suites, Umnak and Bogoslof Islands, Aleutian Islands, Alaska: Geological Society of America Bulletin, v. 72, n. 1, p. 93-128.[2] Geology of Umnak and Bogoslof Islands, Aleutian Islands, Alaska, 1959
Byers, F. M. Jr., 1959, Geology of Umnak and Bogoslof Islands, Aleutian Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-L, p. 267-369, 5 sheets, scale 1 at 1:63,360, 1 at 1:96,000, and 1 at 1:300,000.
full-text PDF 3.5 MB
plate 39 PDF 2.2 MB
plate 40 PDF 3.9 MB
plate 41 PDF 5.6 MB
plate 48 PDF 85 KB
table 3 PDF 149 KB