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Sample CC-3
NavDat sample number 5581 · RHYOLITE
Sample
| Sample ID | CC-3 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | R.A. Chadwick |
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| Comment | BLACK GLASSY RHYOLITE PORPHYRY; FRESH CLEAR TO MILKY PLAGIOCLASE CRYSTALS; SOME QUARTZ; GLASS ISOTROPIC |
|---|
Location
| Latitude | 45.1161 |
|---|
| Longitude | -112.752 |
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| Location | roadcut on old Highway 91, W bank of Beaverhead River; Beaverhead County |
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| State / province | Montana |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 38.9 |
|
37.2 |
40.6 |
|
|
Analyses
No chemical analyses are stored for this sample.
