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Sample 7-55ct
NavDat sample number 8104 · GRANITE
Sample
| Sample ID | 7-55ct |
|---|
| Alternate ID | 64 |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 36.7533 |
|---|
| Longitude | -118.277 |
|---|
| State / province | California |
|---|
| Pluton | dike |
|---|
| 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 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 84 |
|
75.6 |
92.4 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
| U238_ACT | 711 | | | MS-ID |
| PB | 7.71 | | PPM | MS-ID |