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Sample USGSDFN-81-7
NavDat sample number 19160 · RHYODACITE
Sample
| Sample ID | USGSDFN-81-7 |
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| Rock name | RHYODACITE |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | F. Fisher |
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| Comment | age of andesite is around 47 Ma; fission track ages are too young |
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Location
| Latitude | 43.9083 |
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| Longitude | -109.338 |
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| Location | Park County |
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| State / province | Wyoming |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 42.6 |
|
35.8 |
49.4 |
|
|
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
