← Search
Sample K-1
NavDat sample number 4157 · RHYOLITE
Sample
| Sample ID | K-1 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | H.F. Bonham, Nevada Bureau of Mines and Geology, and M.L. Silberman, U.S. Geological Survey |
|---|
| Comment | Crystal-poor columnar-jointed rhyolite with sparse phenocrysts of quartz and sanidine with rare iron oxides in a fine-grained groundmass of feldspars and quartz. |
|---|
Location
| Latitude | 37.9017 |
|---|
| Longitude | -117.203 |
|---|
| Location | Esmeralda County, NV |
|---|
| State / province | Nevada |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10.8 |
|
10.5 |
11.1 |
|
M.L. Silberman, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.
