Sample McM-7A
NavDat sample number 15007 · GABBRO
Sample
| Sample ID | McM-7A |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Poikilitic, mafic, horizontal-layered, coarse hb gabbro |
Location
| Latitude | 37.0667 |
|---|---|
| Longitude | -118.369 |
| 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 | 48.6 | WT% | XRF | |
| TIO2 | 0.69 | WT% | XRF | |
| AL2O3 | 11.3 | WT% | XRF | |
| FE2O3 | 9.01 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 11.2 | WT% | XRF | |
| CAO | 16.3 | WT% | XRF | |
| NA2O | 1.18 | WT% | XRF | |
| K2O | 0.46 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 0.78 | WT% | XRF | |
| CR | 460 | PPM | EDXRF | |
| NI | 110 | PPM | EDXRF | |
| ZN | 60 | PPM | EDXRF | |
| RB | 14 | PPM | EDXRF | |
| SR | 350 | PPM | EDXRF | |
| Y | 14 | PPM | EDXRF | |
| ZR | 53 | PPM | EDXRF | |
| NB | 5 | PPM | EDXRF | |
| BA | 150 | PPM | EDXRF |