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Sample CAL2
NavDat sample number 54542 · VITROPHERE
Sample
| Sample ID | CAL2 |
|---|
| Rock name | VITROPHERE |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Calaveras County, California [SW1/4, SE1/4, NW 1/4, SE 1/4, Sec. 17 T6N, R14E] Basal vitrophyre, float, 0.1 miles east of turnoff to Mitchell Mine Road. Basement rock exposed about one quarter miles further east. |
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Location
| Latitude | 38.3735 |
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| Longitude | -120.462 |
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| State / province | California |
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| Location comment | Nine Hill Tuff |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 19.91 |
|
19.21 |
20.61 |
|
|
