Sample WM-768
NavDat sample number 43723 · GRANODIORITE
Sample
| Sample ID | WM-768 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Barcroft granodiorite |
Location
| Latitude | 37.5255 |
|---|---|
| Longitude | -118.302 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 167.3 | 156.6 | 178 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.35 | WT% | XRF | |
| AL2O3 | 16.42 | WT% | XRF | |
| TIO2 | 0.64 | WT% | XRF | |
| FE2O3 | 5.8 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| CAO | 4.36 | WT% | XRF | |
| MGO | 2.12 | WT% | XRF | |
| K2O | 4.53 | WT% | XRF | |
| NA2O | 3.49 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| TOTAL | 99.58 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 17 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 108 | PPM | XRF | |
| BA | 1107 | PPM | XRF | |
| RB | 171 | PPM | XRF | |
| SR | 539 | PPM | XRF | |
| ZR | 159 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| NB | 18.2 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 34 | PPM | XRF | |
| ZN | 78 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| LA | 59 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| TH | 13 | PPM | XRF |
References
- Ernst, W G; Coleman, Drew S; Van, de Ven C M (2003) Petrochemistry of granitic rocks in the Mount Barcroft area; implications for arc evolution, central White Mountains, easternmost California. Geological Society of America Bulletin. 115; 4, Pages 499-512. 2003. doi:10.1130/0016-7606(2003)115<0499:POGRIT>2.0.CO;2