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Sample 7-55ft
NavDat sample number 8105 · GRANITE
Sample
| Sample ID | 7-55ft |
|---|
| Alternate ID | 64 |
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| Rock name | GRANITE |
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| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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Location
| Latitude | 36.7533 |
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| Longitude | -118.277 |
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| State / province | California |
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| Pluton | dike |
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| Location comment | granite porphyry Golden Bear Dike Moore 1963, Moore 1981, SE corner of Mt. Pinchot quadrangle, 6,400 ft ridge top N of Symmes Creek |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 80 |
|
72 |
88 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| U238_ACT | 624 | | | MS-ID |
| PB | 6.82 | | PPM | MS-ID |
