Sample McM-18
NavDat sample number 15012 · GABBRO
Sample
| Sample ID | McM-18 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Homogeneous, poikilitic hb gabbro |
Location
| Latitude | 37.0681 |
|---|---|
| Longitude | -118.382 |
| 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 | 49.5 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| AL2O3 | 17.7 | WT% | XRF | |
| FE2O3 | 7.28 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 7.7 | WT% | XRF | |
| CAO | 13.7 | WT% | XRF | |
| NA2O | 1.51 | WT% | XRF | |
| K2O | 0.5 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| LOI | 1.29 | WT% | XRF | |
| V | 215 | PPM | XRF | |
| CR | 180 | PPM | EDXRF | |
| NI | 61 | PPM | EDXRF | |
| ZN | 62 | PPM | EDXRF | |
| RB | 13 | PPM | EDXRF | |
| SR | 535 | PPM | EDXRF | |
| Y | 12 | PPM | EDXRF | |
| ZR | 54 | PPM | EDXRF | |
| NB | 5 | PPM | EDXRF | |
| BA | 275 | PPM | EDXRF |