Sample 92OMB15
NavDat sample number 88108 · DIORITE
Sample
| Sample ID | 92OMB15 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Barnes and others |
| Comment | Quartz-bearing hornblende biotite two pyroxene diorite |
Location
| Latitude | 40.8839 |
|---|---|
| Longitude | -123.353 |
| 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 | 48.78 | WT% | ICPAES | |
| TIO2 | 1 | WT% | ICPAES | |
| AL2O3 | 13.46 | WT% | ICPAES | |
| FE2O3 | 11.39 | WT% | ICPAES | |
| MNO | 0.21 | WT% | ICPAES | |
| MGO | 7.78 | WT% | ICPAES | |
| CAO | 11.81 | WT% | ICPAES | |
| NA2O | 1.93 | WT% | ICPAES | |
| K2O | 2.09 | WT% | ICPAES | |
| P2O5 | 0.73 | WT% | ICPAES | |
| LOI | 1.12 | WT% | ICPAES | |
| RB | 58 | PPM | FPHOT | |
| SR | 962 | PPM | ICPAES | |
| ZR | 45 | PPM | ICPAES | |
| Y | 29.9 | PPM | ICPAES | |
| NB | 7 | PPM | ICPAES | |
| BA | 1093 | PPM | ICPAES | |
| SC | 35.5 | PPM | ICPAES | |
| V | 290 | PPM | ICPAES | |
| CR | 228 | PPM | ICPAES | |
| NI | 48 | PPM | ICPAES | |
| CU | 115 | PPM | ICPAES | |
| ZN | 92 | 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)