Sample: Riehle_1987_AN_4
| Sample ID: | Riehle_1987_AN_4 [1] |
| Station ID: | Riehle_1987_AN_4 |
| AT Num: | |
| Volcano: | Aniakchak |
| Possible source: | Aniakchak |
| Eruption: | Aniakchak CFE II |
| Collector: | Riehle, J. R. |
| Date sampled: | |
| Sample type 1: | Tephra Fall |
| Color: | |
| Final unit: | |
| Text Description: | 2-5 cm thick deposit. Clear to pale gray glass and fibrous white pumice; trace pale grey to medium brown scoriaceous glass; rare fine black fragments may be black glass shards; estimated 98% glass, remainder is plagioclase and pyroxene>amphibole>opaquesa=apatite=-zircon (?). |
| Sample Location: |
References Cited
[1] The Aniakchak tephra deposit, a late Holocene marker horizon in western Alaska, 1987
Riehle, J. R., Meyer, C. E., Ager, T. A., Kaufman, D. S., and Ackerman, R. E., 1987, The Aniakchak tephra deposit, a late Holocene marker horizon in western Alaska: in Hamilton, T. D. and Galloway, J. P., (eds.), Geologic studies in Alaska by the U.S. Geological Survey during 1986, U.S. Geological Survey Circular C 0998, p. 19-22.
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