← Search
Sample CB12d
NavDat sample number 130763 · ANORTHOSITE
Sample
| Sample ID | CB12d |
|---|
| Rock name | ANORTHOSITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | METAMORPHIC |
|---|
| Collected by | Saleeby and others |
|---|
| Comment | Protomylonitic anorthosite |
|---|
Location
| Latitude | 39.785 |
|---|
| Longitude | -121.448 |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 204 |
|
183.6 |
224.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| ND143_ND144 | 0.512195 | | | MS |
| SR87_SR86 | 0.703026 | | | MS |
| SR | 0.01483 | | 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
