Sample WM-820
NavDat sample number 43726 · GRANODIORITE
Sample
| Sample ID | WM-820 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Barcroft granodiorite |
Location
| Latitude | 37.5737 |
|---|---|
| Longitude | -118.337 |
| 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 | 59.32 | WT% | XRF | |
| AL2O3 | 16.21 | WT% | XRF | |
| TIO2 | 1.08 | WT% | XRF | |
| FE2O3 | 7.15 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| CAO | 3.67 | WT% | XRF | |
| MGO | 3.61 | WT% | XRF | |
| K2O | 3.93 | WT% | XRF | |
| NA2O | 4.25 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| TOTAL | 99.71 | WT% | XRF | |
| NI | 24 | PPM | XRF | |
| CR | 54 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 152 | PPM | XRF | |
| BA | 839 | PPM | XRF | |
| RB | 155 | PPM | XRF | |
| SR | 389 | PPM | XRF | |
| ZR | 334 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| NB | 19.5 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| ZN | 82 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 113 | PPM | XRF | |
| TH | 15 | 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