Sample 202113
NavDat sample number 38408 · DIORITE
Sample
| Sample ID | 202113 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Diorite to granodiorite stock |
Location
| Latitude | 45.6178 |
|---|---|
| Longitude | -109.936 |
| 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 | 54.64 | WT% | XRF | |
| AL2O3 | 19.62 | WT% | XRF | |
| FE2O3 | 1.21 | WT% | XRF | |
| FEO | 6.18 | WT% | XRF | |
| MGO | 2.62 | WT% | XRF | |
| CAO | 8.41 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 2.39 | WT% | XRF | |
| TIO2 | 0.57 | WT% | XRF | |
| P2O5 | 0.5 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| LOI | 4.4 | WT% | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 984 | PPM | EDXRF | |
| Y | 15 | PPM | EDXRF | |
| ZR | 71 | PPM | EDXRF | |
| NB | 9 | PPM | EDXRF | |
| BA | 1114 | PPM | EDXRF | |
| LA | 25 | PPM | EDXRF | |
| CE | 57 | PPM | EDXRF | |
| ND | 27 | PPM | EDXRF |