Sample 202101
NavDat sample number 38403 · DIORITE
Sample
| Sample ID | 202101 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.5719 |
|---|---|
| Longitude | -109.953 |
| 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 | 62.26 | WT% | XRF | |
| AL2O3 | 17.52 | WT% | XRF | |
| FE2O3 | 0.84 | WT% | XRF | |
| FEO | 4.29 | WT% | XRF | |
| MGO | 2.23 | WT% | XRF | |
| CAO | 5.21 | WT% | XRF | |
| NA2O | 3.81 | WT% | XRF | |
| K2O | 2.89 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 2.4 | WT% | XRF | |
| RB | 75 | PPM | XRF | |
| SR | 940 | PPM | EDXRF | |
| Y | 21 | PPM | EDXRF | |
| ZR | 148 | PPM | EDXRF | |
| NB | 12 | PPM | EDXRF | |
| BA | 1560 | PPM | EDXRF | |
| LA | 46 | PPM | EDXRF | |
| CE | 51 | PPM | EDXRF | |
| ND | 29 | PPM | EDXRF |