Sample 202095
NavDat sample number 38402 · DIORITE
Sample
| Sample ID | 202095 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.6108 |
|---|---|
| Longitude | -109.962 |
| 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 | 55.46 | WT% | XRF | |
| AL2O3 | 18.35 | WT% | XRF | |
| FE2O3 | 1.23 | WT% | XRF | |
| FEO | 6.26 | WT% | XRF | |
| MGO | 2.97 | WT% | XRF | |
| CAO | 7.25 | WT% | XRF | |
| NA2O | 3.65 | WT% | XRF | |
| K2O | 3.43 | WT% | XRF | |
| TIO2 | 0.76 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 1.95 | WT% | XRF | |
| RB | 69 | PPM | XRF | |
| SR | 1021 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZR | 130 | PPM | EDXRF | |
| NB | 15 | PPM | EDXRF | |
| PB | 13 | PPM | EDXRF | |
| BA | 1315 | PPM | EDXRF | |
| LA | 40 | PPM | EDXRF | |
| CE | 62 | PPM | EDXRF | |
| ND | 46 | PPM | EDXRF |