Sample WM-867_2
NavDat sample number 43729 · GRANODIORITE
Sample
| Sample ID | WM-867_2 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Barcroft granodiorite |
Location
| Latitude | 37.5782 |
|---|---|
| Longitude | -118.249 |
| 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 | 59.6 | WT% | XRF | |
| AL2O3 | 16.87 | WT% | XRF | |
| TIO2 | 0.76 | WT% | XRF | |
| FE2O3 | 5.94 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| CAO | 5.24 | WT% | XRF | |
| MGO | 2.98 | WT% | XRF | |
| K2O | 4.09 | WT% | XRF | |
| NA2O | 3.31 | WT% | XRF | |
| P2O5 | 0.36 | WT% | XRF | |
| TOTAL | 99.27 | WT% | XRF | |
| NI | 24 | PPM | XRF | |
| CR | 39 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 134 | PPM | XRF | |
| BA | 1103 | PPM | XRF | |
| RB | 146 | PPM | XRF | |
| SR | 677 | PPM | XRF | |
| ZR | 213 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| NB | 17.3 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 68 | PPM | XRF | |
| ZN | 75 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| LA | 44 | 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