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Sample USGSDE-516B
NavDat sample number 19148 · RHYODACITE
Sample
| Sample ID | USGSDE-516B |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | J.E. Elliott |
|---|
Location
| Latitude | 45.0425 |
|---|
| Longitude | -109.929 |
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| Location | Henderson Mountain; Park County |
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| State / province | Montana |
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| Volcanic field | Rhyodacite porphyry of Henderson Mountain |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 45.2 |
|
40.6 |
49.8 |
|
|
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
