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Sample GRP-1
NavDat sample number 7169 · NOT GIVEN
Sample
| Sample ID | GRP-1 |
|---|
| Rock name | NOT GIVEN |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | H.F. Bonham, Nevada Bureau of Mines and Geology, and M.L. Silberman, U.S. Geological Survey. |
|---|
| Comment | Silicic porphyry dike. Silic porphyry dikes intrude Precambrian carbonate rocks on Lone Mountain. They are hydrothermally altered and appear to be associated with Ag-Pb-Zn mineralization. The zircon age is believed to represent the age of emplacement. |
Location
| Latitude | 38.0514 |
|---|
| Longitude | -117.457 |
|---|
| Location | Esmeralda Co., NV |
|---|
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 22.1 |
|
18.9 |
25.3 |
|
R.P. Ashley, U.S. Geological Survey. |
Analyses
No chemical analyses are stored for this sample.