Sample WM-805
NavDat sample number 43734 · GABBRO
Sample
| Sample ID | WM-805 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Barcroft gabbro/diorite |
Location
| Latitude | 37.5599 |
|---|---|
| Longitude | -118.326 |
| 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 | 48.36 | WT% | XRF | |
| AL2O3 | 16.9 | WT% | XRF | |
| TIO2 | 0.47 | WT% | XRF | |
| FE2O3 | 9.51 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| CAO | 8.52 | WT% | XRF | |
| MGO | 11.96 | WT% | XRF | |
| K2O | 1.38 | WT% | XRF | |
| NA2O | 1.98 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| TOTAL | 99.4 | WT% | XRF | |
| NI | 258 | PPM | XRF | |
| CR | 302 | PPM | XRF | |
| SC | 14 | PPM | XRF | |
| V | 101 | PPM | XRF | |
| BA | 394 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 609 | PPM | XRF | |
| ZR | 76 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| NB | 6.1 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 33 | PPM | XRF | |
| ZN | 39 | PPM | XRF | |
| PB | 0 | PPM | XRF | |
| LA | 29 | PPM | XRF | |
| CE | 23 | PPM | XRF | |
| TH | 3 | 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