Sample WM-39
NavDat sample number 43732 · GABBRO
Sample
| Sample ID | WM-39 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Barcroft gabbro/diorite |
Location
| Latitude | 37.6065 |
|---|---|
| Longitude | -118.248 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 161 | 157 | 165 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.64 | WT% | XRF | |
| AL2O3 | 10.95 | WT% | XRF | |
| TIO2 | 0.86 | WT% | XRF | |
| FE2O3 | 8.21 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| CAO | 12.22 | WT% | XRF | |
| MGO | 10.04 | WT% | XRF | |
| K2O | 1.46 | WT% | XRF | |
| NA2O | 1.68 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| TOTAL | 99.51 | WT% | XRF | |
| NI | 107 | PPM | XRF | |
| CR | 763 | PPM | XRF | |
| SC | 47 | PPM | XRF | |
| V | 190 | PPM | XRF | |
| BA | 749 | PPM | XRF | |
| RB | 41 | PPM | XRF | |
| SR | 475 | PPM | XRF | |
| ZR | 122 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| NB | 8.4 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 60 | PPM | XRF | |
| TH | 2 | 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