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Sample YU-PZA325
NavDat sample number 2977 · RHYOLITE
Sample
| Sample ID | YU-PZA325 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Collected by | Pansze, Arthur J |
|---|
| Comment | grey, flow-layered rhyolite with 25-30% phenocrysts of quartz and sanidine in a devitrified, felsitic groundmass |
Location
| Latitude | 43.0167 |
|---|
| Longitude | -116.862 |
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| Location | from exogenous dome; S of Wagontown and E of Jordan Creek; Owyhee County |
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| State / province | Idaho |
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| Volcanic field | upper rhyolite unit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 16.1 |
|
15.8 |
16.4 |
|
|
Analyses
No chemical analyses are stored for this sample.