Sample: 85ARh-25
| Sample ID: | 85ARh-25 [1] |
| Station ID: | 85ARh-25 |
| AT Num: | |
| Volcano: | |
| Possible source: | |
| Eruption: | |
| Collector: | Richter, D. H. |
| Date sampled: | 1985-00-00 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Wrangell Lava. Dacite dome field. Dacite porphyry and andesite dikes, undifferentiated (Tertiary) - Chiefly dacite porphyry dikes, as much as 10 m wide, petrographically similar to the hornblende-bearing dacite domes (unit Tdh). Includes andesite dikes (55.6% SiO2; map no. 25) possibly related to the andesite Border volcanic rocks (unit Tbl). |
| Sample Location: |
References Cited
[1] Geologic map of the McCarthy D-1 Quadrangle, Alaska, 2000
Richter, D. H., Ratte, J. C., Leeman, W. P., and Menzies, Martin, 2000, Geologic map of the McCarthy D-1 Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 2695, unpaged, 1 sheet, scale 1:63,360.
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