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Sample USGSDS69-404
NavDat sample number 19137 · ANDESITE
Sample
| Sample ID | USGSDS69-404 |
|---|
| Rock name | ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | age is of questionable validity |
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Location
| Latitude | 38.0833 |
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| Longitude | -105.375 |
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| Location | W side of Wet Mountains; Custer County |
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| State / province | Colorado |
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| Volcanic field | Rosita Volcanic Center |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.4 |
|
26.6 |
28.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Marvin, Richard F; Mehnert, Harald H; Naeser, Charles W; Zartman,Robert E (1989) U. S. Geological Survey radiometric ages; Compilation C; Part five;Colorado, Montana, Utah, and Wyoming. Isochron/West, vol.53, pp.14-19, Jun 1989
