Sample: 47AC113
Sample ID: | 47AC113 [1] [2] |
Station ID: | 47AC113 |
AT Num: | |
Volcano: | Semisopochnoi |
Possible source: | |
Eruption: | |
Collector: | Unknown, Unknown |
Date sampled: | 1947-01-01 |
Sample type 1: | Tuff |
Color: | |
Final unit: | CFE ignimbrite - bulk |
Text Description: | A composite representing the full thickness of the tuff, as exposed in a gully at 122,600' E., 284,250' N. No section was cut as it was not certain that one section could properly represent the composite. It is probable that the composite sample is contaminated dacite. |
Sample Location: |
References Cited
[1] Geologic reconnaissance of Semisopochnoi Island, western Aleutian Islands, Alaska, 1959
Coats, R. R., 1959, Geologic reconnaissance of Semisopochnoi Island, western Aleutian Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-O, p. 477-519, 1 sheet, scale 1:25,000.
full-text PDF 1.4 MB
plate 59 PDF 2.7 MB