Sample 202121
NavDat sample number 38409 · DIORITE
Sample
| Sample ID | 202121 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.6097 |
|---|---|
| Longitude | -109.934 |
| 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 | 63.94 | WT% | XRF | |
| AL2O3 | 17.01 | WT% | XRF | |
| FE2O3 | 0.69 | WT% | XRF | |
| FEO | 3.5 | WT% | XRF | |
| MGO | 2.32 | WT% | XRF | |
| CAO | 4.47 | WT% | XRF | |
| NA2O | 4.7 | WT% | XRF | |
| K2O | 2.5 | WT% | XRF | |
| TIO2 | 0.49 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 1.15 | WT% | XRF | |
| RB | 42 | PPM | XRF | |
| SR | 1042 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 131 | PPM | EDXRF | |
| NB | 9 | PPM | EDXRF | |
| PB | 17 | PPM | EDXRF | |
| BA | 1759 | PPM | EDXRF | |
| LA | 29 | PPM | EDXRF | |
| CE | 52 | PPM | EDXRF | |
| ND | 27 | PPM | EDXRF |