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Sample GC-135
NavDat sample number 7144 · DACITE
Sample
| Sample ID | GC-135 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | H.F. Bonham and L.J. Garside, Nevada Bureau of Mines and Geology. |
|---|
| Comment | Porphyritic biotite-hornblende dacite, Mizpah Formation. Main host rock for ore deposits of the Tonopah mining district. |
Location
| Latitude | 38.0803 |
|---|
| Longitude | -117.224 |
|---|
| Location | Nye Co., NV |
|---|
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 21 |
|
20.2 |
21.8 |
|
M.L. Silberman, U.S. Geological Survey. |
Analyses
No chemical analyses are stored for this sample.