Sample 202129
NavDat sample number 38410 · DIORITE
Sample
| Sample ID | 202129 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.5895 |
|---|---|
| Longitude | -109.972 |
| 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 | 54.06 | WT% | XRF | |
| AL2O3 | 18.41 | WT% | XRF | |
| FE2O3 | 1.27 | WT% | XRF | |
| FEO | 6.49 | WT% | XRF | |
| MGO | 4.43 | WT% | XRF | |
| CAO | 8.57 | WT% | XRF | |
| NA2O | 3.16 | WT% | XRF | |
| K2O | 2.33 | WT% | XRF | |
| TIO2 | 0.68 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 3.68 | WT% | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 845 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZR | 83 | PPM | EDXRF | |
| NB | 5 | PPM | EDXRF | |
| BA | 849 | PPM | EDXRF | |
| LA | 36 | PPM | EDXRF | |
| CE | 70 | PPM | EDXRF | |
| ND | 22 | PPM | EDXRF |