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Sample USGSD-SL-57-73
NavDat sample number 5569 · RHYOLITE
Sample
| Sample ID | USGSD-SL-57-73 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Collected by | D.C. Hedlund |
|---|
| Comment | rhyolite porphyry plug in which sanidine phenocrysts have a satiny chatoyancy |
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Location
| Latitude | 32.8875 |
|---|
| Longitude | -107.847 |
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| Location | Dry Gallinas Campground near Iron Creek; Grant County |
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| State / province | New Mexico |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33.3 |
|
32.1 |
34.5 |
|
|
Analyses
No chemical analyses are stored for this sample.
