← Search
Sample 134
NavDat sample number 3289 · PYROCLASTIC FLOW
Sample
| Sample ID | 134 |
|---|
| Rock name | PYROCLASTIC FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | R.E. Anderson, U.S. Geological Survey |
|---|
| Comment | Biotite age appears too old in comparison with ages of adjacent units in the stratigraphic sequence. |
|---|
Location
| Latitude | 38.025 |
|---|
| Longitude | -114.792 |
|---|
| Location | Pahroc Range, Lincoln County |
|---|
| State / province | Nevada |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 29.5 |
|
27.7 |
31.3 |
|
biotite Geochron Laboratories, Inc. and hornblende R.F. Marvin and H.H. Mehnert, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.
