Sample 8B
NavDat sample number 76288 · GABBRO
Sample
| Sample ID | 8B |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | quartz gabbro |
Location
| Latitude | 45.7656 |
|---|---|
| Longitude | -112.812 |
| Location | Pioneer Mountains |
| State / province | Montana |
| Pluton | Pioneer batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 72 | 65 | 80 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 45.94 | WT% | XRF | |
| AL2O3 | 19.99 | WT% | XRF | |
| FEO | 12.78 | WT% | XRF | |
| MGO | 6.33 | WT% | XRF | |
| CAO | 11.2 | WT% | XRF | |
| NA2O | 2.03 | WT% | FPHOT | |
| K2O | 0.52 | WT% | XRF | |
| TIO2 | 1.11 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| NB | 7.3 | PPM | XRF | |
| Y | 12.7 | PPM | XRF | |
| ZR | 66.1 | PPM | XRF | |
| SR | 908.1 | PPM | XRF | |
| RB | 29.7 | PPM | XRF | |
| SM | 2.94 | PPM | TIMS_ID | |
| ND | 13.54 | PPM | TIMS_ID | |
| SM147_ND144 | 0.1311 | TIMS_ID | ||
| ND143_ND144 | 0.511976 | TIMS_ID | ||
| SR87_SR86 | 0.70612 | TIMS_ID | ||
| RB87_SR86 | 0.0945 | TIMS_ID |