Sample McM-16
NavDat sample number 15011 · GABBRO
Sample
| Sample ID | McM-16 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Mafic layer in horizontal-layered poikilitic hb gabbro |
Location
| Latitude | 37.0681 |
|---|---|
| Longitude | -118.383 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | McMurry Meadows |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 150.9 | 150.8 | 151 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 49.4 | WT% | XRF | |
| TIO2 | 0.57 | WT% | XRF | |
| AL2O3 | 8.41 | WT% | XRF | |
| FE2O3 | 9.2 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 13.6 | WT% | XRF | |
| CAO | 16.2 | WT% | XRF | |
| NA2O | 0.82 | WT% | XRF | |
| K2O | 0.36 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 0.86 | WT% | XRF | |
| V | 245 | PPM | XRF | |
| CR | 310 | PPM | EDXRF | |
| NI | 190 | PPM | EDXRF | |
| ZN | 59 | PPM | EDXRF | |
| RB | 12 | PPM | EDXRF | |
| SR | 230 | PPM | EDXRF | |
| Y | 13 | PPM | EDXRF | |
| ZR | 44 | PPM | EDXRF | |
| NB | 3 | PPM | EDXRF | |
| BA | 165 | PPM | EDXRF |