← Search
Sample 54-S81
NavDat sample number 19145 · RHYODACITE
Sample
| Sample ID | 54-S81 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | B. Skipp |
|---|
| Comment | porphyritic |
|---|
Location
| Latitude | 44.45 |
|---|
| Longitude | -112.983 |
|---|
| Location | Beaverhead Mountains; Beaverhead County |
|---|
| State / province | Montana |
|---|
| Volcanic field | Challis Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 51.4 |
|
48.3 |
54.5 |
|
|
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
