Sample 202102
NavDat sample number 38404 · DIORITE
Sample
| Sample ID | 202102 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.5866 |
|---|---|
| Longitude | -109.948 |
| Location | Sliderock Mountain |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 75.31 | 74.89 | 75.73 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.98 | WT% | XRF | |
| AL2O3 | 19.18 | WT% | XRF | |
| FE2O3 | 1.14 | WT% | XRF | |
| FEO | 5.83 | WT% | XRF | |
| MGO | 4.41 | WT% | XRF | |
| CAO | 8.5 | WT% | XRF | |
| NA2O | 3.49 | WT% | XRF | |
| K2O | 2.05 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 2.93 | WT% | XRF | |
| RB | 44 | PPM | XRF | |
| SR | 855 | PPM | EDXRF | |
| Y | 11 | PPM | EDXRF | |
| ZR | 54 | PPM | EDXRF | |
| NB | 9 | PPM | EDXRF | |
| BA | 861 | PPM | EDXRF | |
| LA | 15 | PPM | EDXRF | |
| CE | 53 | PPM | EDXRF | |
| ND | 16 | PPM | EDXRF |