Sample: Riehle_1987_16
| Sample ID: | Riehle_1987_16 [1] |
| Station ID: | Riehle_1987_16 |
| AT Num: | |
| Volcano: | Yantarni |
| Possible source: | |
| Eruption: | |
| Collector: | Unknown, Unknown |
| Date sampled: | |
| Sample type 1: | pyroclastic density current |
| Color: | |
| Final unit: | |
| Text Description: | Sample of basal Yantarni cone deposits on the north flank. These are pyroclastic rocks composed of monolithic, slightly vesicular cobble- to boulder-sized clasts with a small amount of fine-grained matrix. Texture: Porphyry; groundmass <0.1 mm, plagioclase microlites and rare glass; seriate phenocrysts. Alteration: None |
| Sample Location: |
References Cited
[1] Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, Alaska, 1987
Riehle, J. R., Yount, M. E., and Miller, T. P., 1987, Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, Alaska: U.S. Geological Survey Bulletin 1761, 27 p., 1 sheet, scale 1:63,360.
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