Sample 92OMB13
NavDat sample number 88106 · DIORITE
Sample
| Sample ID | 92OMB13 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Barnes and others |
| Comment | Quartz-bearing biotite augite diorite |
Location
| Latitude | 40.8814 |
|---|---|
| Longitude | -123.361 |
| Location | West China Peak Complex |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 169 | 169 | 170 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.07 | WT% | ICPAES | |
| TIO2 | 0.78 | WT% | ICPAES | |
| AL2O3 | 14.97 | WT% | ICPAES | |
| FE2O3 | 10.62 | WT% | ICPAES | |
| MNO | 0.2 | WT% | ICPAES | |
| MGO | 6.05 | WT% | ICPAES | |
| CAO | 9.92 | WT% | ICPAES | |
| NA2O | 2.52 | WT% | ICPAES | |
| K2O | 2.29 | WT% | ICPAES | |
| P2O5 | 0.42 | WT% | ICPAES | |
| LOI | 0.5 | WT% | ICPAES | |
| RB | 53 | PPM | FPHOT | |
| SR | 736 | PPM | ICPAES | |
| ZR | 70 | PPM | ICPAES | |
| Y | 24.1 | PPM | ICPAES | |
| NB | 5 | PPM | ICPAES | |
| BA | 688 | PPM | ICPAES | |
| SC | 35.3 | PPM | ICPAES | |
| V | 234 | PPM | ICPAES | |
| CR | 129 | PPM | ICPAES | |
| NI | 50 | PPM | ICPAES | |
| CU | 39 | PPM | ICPAES | |
| ZN | 84 | PPM | ICPAES |
References
- Barnes, Calvin G; Mars, Elizabeth V; Swapp, Susan; Frost, Carol D (2006) Petrology and geochemistry of the Middle Jurassic Ironside MountainBatholith; evolution of potassic magmas in a primitive arc setting. Special Paper - Geological Society of America, vol.410, pp.199-221,2006 doi:10.1130/2006.2410(10)