Sample 202717
NavDat sample number 50165 · ANDESITE
Sample
| Sample ID | 202717 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0727 |
|---|---|
| Longitude | -110.321 |
| Location | Crazy Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 50 | 49.5 | 50.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.11 | WT% | XRF | |
| AL2O3 | 17.94 | WT% | XRF | |
| FE2O3 | 0.61 | WT% | XRF | |
| FEO | 4.94 | WT% | XRF | |
| MGO | 2.23 | WT% | XRF | |
| CAO | 4.83 | WT% | XRF | |
| NA2O | 4.27 | WT% | XRF | |
| K2O | 3.43 | WT% | XRF | |
| TIO2 | 1.11 | WT% | XRF | |
| P2O5 | 0.42 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 1.59 | WT% | XRF | |
| RB | 81 | PPM | EDXRF | |
| SR | 834 | PPM | EDXRF | |
| Y | 28 | PPM | EDXRF | |
| ZR | 189 | PPM | EDXRF | |
| NB | 23 | PPM | EDXRF | |
| BA | 1693 | PPM | EDXRF | |
| LA | 70 | PPM | EDXRF | |
| CE | 78 | PPM | EDXRF | |
| ND | 72 | PPM | EDXRF |