← Search
Sample YU-PZA26a
NavDat sample number 2972 · RHYOLITE
Sample
| Sample ID | YU-PZA26a |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Pansze, Arthur J |
|---|
| Comment | fine-grained phenocrysts of magnetite, biotite, quartz, and sanidine in a groundmass of vitric and felsitic material |
|---|
Location
| Latitude | 43.0035 |
|---|
| Longitude | -116.794 |
|---|
| Location | from an exogenous dome of rhyolite porphyry; Owyhee County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | upper rhyolite unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 15.9 |
|
15.6 |
16.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
