← Search
Sample KA1268
NavDat sample number 3051 · PYROCLASTIC-FALL
Sample
| Sample ID | KA1268 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | G.T. James, Univ. Calif. Berkeley |
|---|
| Comment | Biotite tuff interbedded with fossil plant-bearing tuffaceous shale and lignite seam Axelrod, 1940, quoted in Robinson and others, 1968. |
Location
| Latitude | 38 |
|---|
| Longitude | -117.85 |
|---|
| Location | Silver Peak Range |
|---|
| State / province | Nevada |
|---|
| Formation | Esmeralda Formation |
|---|
| Location comment | UCMP Loc. P3924; at Darmes Coal Mine, Silver Peak Range; Esmeralda County, NV |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 13 |
|
11.7 |
14.3 |
|
|
Analyses
No chemical analyses are stored for this sample.