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Sample FR5a(2)
NavDat sample number 130785 · GRANITE
Sample
| Sample ID | FR5a(2) |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | METAMORPHIC |
|---|
| Collected by | Saleeby and others |
|---|
| Comment | Coarse-grained albitized garnet biotite granite lens |
Location
| Latitude | 39.47 |
|---|
| Longitude | -120.857 |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 360 |
|
324 |
396 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| PB206_PB204 | 1756 | | | MS |
| ND143_ND144 | 0.511333 | | | MS |
| SR87_SR86 | 0.731054 | | | MS |
| U | 0.1336 | | PPM | MS-ID |
| PB | 0.0064 | | PPM | MS-ID |
| SR | 0.0097 | | PPM | MS-ID |
References
- Saleeby, Jason B; Shaw, H F; Niemeyer, S; Moores, E M; Edelman, S H (1989) U/Pb, Sm/Nd and Rb/Sr geochronological and isotopic study of northernSierra Nevada ophiolitic assemblages, California. Contributions to Mineralogy and Petrology, vol.102, no.2, pp.205-220,1989 doi:10.1007/BF00375341