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Sample USGSDFN81-9
NavDat sample number 19161 · GRANODIORITE
Sample
| Sample ID | USGSDFN81-9 |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | F. Fisher |
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| Comment | fine grained; calculated ages are apparently cooling ages |
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Location
| Latitude | 43.9333 |
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| Longitude | -109.289 |
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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 |
|---|
| 34.9 |
|
31.4 |
38.4 |
|
|
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
