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Sample USGSDJH-9-82
NavDat sample number 19133 · RHYOLITE
Sample
| Sample ID | USGSDJH-9-82 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Collected by | D.C. Hedlund |
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| Comment | plug containing phenocrysts of albite, quartz, and biotite |
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Location
| Latitude | 39.0361 |
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| Longitude | -106.108 |
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| Location | along the E side of Rough-and-Tumbling Creek; Park County |
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| State / province | Colorado |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 61.4 |
|
59.2 |
63.6 |
|
|
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
