Sample WM-2
NavDat sample number 43735
Sample
| Sample ID | WM-2 |
|---|---|
| Material | METAMORPHIC |
| Comment | Barcroft metadiorite |
Location
| Latitude | 37.5442 |
|---|---|
| Longitude | -118.227 |
| 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 | 55.9 | WT% | XRF | |
| AL2O3 | 17.43 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| FE2O3 | 7.58 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| CAO | 6.9 | WT% | XRF | |
| MGO | 3.35 | WT% | XRF | |
| K2O | 2.6 | WT% | XRF | |
| NA2O | 3.81 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| TOTAL | 98.9 | WT% | XRF | |
| NI | 17 | PPM | XRF | |
| CR | 15 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 178 | PPM | XRF | |
| BA | 794 | PPM | XRF | |
| RB | 141 | PPM | XRF | |
| SR | 662 | PPM | XRF | |
| ZR | 147 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| ZN | 50 | PPM | XRF | |
| PB | 3 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 67 | PPM | XRF | |
| TH | 7 | 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