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Sample 11
NavDat sample number 4653 · RHYOLITE
Sample
| Sample ID | 11 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | phenocrysts of cracked quartz and biotite and oligoclase; microfelsitic groudmass contains swarms of isolated and coalescing spheroids |
|---|
Location
| Latitude | 39.1909 |
|---|
| Longitude | -121.805 |
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| Location | from dome forming 777 Hill in sedimentary moat on south side of the buttes |
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| State / province | California |
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| Volcanic field | Sutter Buttes |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.55 |
|
1.395 |
1.705 |
|
|
Analyses
No chemical analyses are stored for this sample.
