← Search
Sample USGSM-711-8
NavDat sample number 3003 · DIORITE
Sample
| Sample ID | USGSM-711-8 |
|---|
| Rock name | DIORITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | F.J. Kleinhampl and M.L. Silberman, U.S. Geological Survey |
|---|
| Comment | Intrusive phase of the andesitic host rock sequence of the Aurora mining district. This rock is unaltered. It may be a volcanic neck from which flows of the Aurora mineralized andesites were erupted. |
|---|
Location
| Latitude | 38.2681 |
|---|
| Longitude | -118.892 |
|---|
| Location | Aurora-Cedar Hill-Trench Canyon Alkali Valley Area |
|---|
| State / province | Nevada |
|---|
| Formation | Of Aurora mining district |
|---|
| Location comment | Mineral County, NV |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 15.8 |
|
15.5 |
16.1 |
|
|
Analyses
No chemical analyses are stored for this sample.
