Sample AC-21D
NavDat sample number 14995 · GABBRO
Sample
| Sample ID | AC-21D |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Crudely-layered bio-hb gabbro |
Location
| Latitude | 36.9597 |
|---|---|
| Longitude | -118.342 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | Armstrong Canyon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 154.15 | 153.8 | 154.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 46.2 | WT% | XRF | |
| TIO2 | 1.53 | WT% | XRF | |
| AL2O3 | 18.3 | WT% | XRF | |
| FE2O3 | 13.1 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 5.73 | WT% | XRF | |
| CAO | 8.65 | WT% | XRF | |
| NA2O | 2.59 | WT% | XRF | |
| K2O | 2.15 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| LOI | 1.06 | WT% | XRF | |
| V | 290 | PPM | XRF | |
| NI | 29 | PPM | EDXRF | |
| ZN | 155 | PPM | EDXRF | |
| RB | 60 | PPM | EDXRF | |
| SR | 960 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZR | 175 | PPM | EDXRF | |
| NB | 2 | PPM | EDXRF | |
| BA | 1250 | PPM | EDXRF |