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Sample YU-PZA45a
NavDat sample number 2970 · RHYOLITE
Sample
| Sample ID | YU-PZA45a |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Pansze, Arthur J |
|---|
| Comment | fine-grained phenocrysts of biotite, sanidine, quartz, and plagioclase in a vitric and felsitic groundmass |
Location
| Latitude | 43.0084 |
|---|
| Longitude | -116.778 |
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| Location | from an exogenous dome of rhyolite porphyry; Owyhee County |
|---|
| State / province | Idaho |
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| Volcanic field | upper rhyolite unit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 15.3 |
|
15 |
15.6 |
|
|
Analyses
No chemical analyses are stored for this sample.