Sample TH2-20
NavDat sample number 14957 · GABBRO
Sample
| Sample ID | TH2-20 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Porphyritic hb gabbro |
Location
| Latitude | 37.3528 |
|---|---|
| Longitude | -118.544 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | Tungsten Hills |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 150.45 | 150.3 | 150.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| AL2O3 | 7.66 | WT% | XRF | |
| FE2O3 | 9.88 | WT% | XRF | |
| MNO | 0.2 | WT% | XRF | |
| MGO | 12.7 | WT% | XRF | |
| CAO | 12.8 | WT% | XRF | |
| NA2O | 0.74 | WT% | XRF | |
| K2O | 0.3 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| LOI | 1.08 | WT% | XRF | |
| V | 250 | PPM | XRF | |
| NI | 160 | PPM | EDXRF | |
| ZN | 125 | PPM | EDXRF | |
| RB | 11 | PPM | EDXRF | |
| SR | 270 | PPM | EDXRF | |
| Y | 13 | PPM | EDXRF | |
| ZR | 48 | PPM | EDXRF | |
| NB | 2 | PPM | EDXRF | |
| BA | 290 | PPM | EDXRF |