Sample WM-897a
NavDat sample number 43730 · GRANODIORITE
Sample
| Sample ID | WM-897a |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Barcroft granodiorite |
Location
| Latitude | 37.5787 |
|---|---|
| Longitude | -118.29 |
| 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 | 56.57 | WT% | XRF | |
| AL2O3 | 17.25 | WT% | XRF | |
| TIO2 | 1.22 | WT% | XRF | |
| FE2O3 | 8.51 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| CAO | 6.01 | WT% | XRF | |
| MGO | 3.14 | WT% | XRF | |
| K2O | 3.41 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| P2O5 | 0.57 | WT% | XRF | |
| TOTAL | 100.33 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 17 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| V | 176 | PPM | XRF | |
| BA | 1621 | PPM | XRF | |
| RB | 106 | PPM | XRF | |
| SR | 741 | PPM | XRF | |
| ZR | 118 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| NB | 15.3 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 64 | PPM | XRF | |
| ZN | 88 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 71 | PPM | XRF | |
| TH | 6 | 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