Sample 202514
NavDat sample number 50142 · ANDESITE
Sample
| Sample ID | 202514 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0738 |
|---|---|
| Longitude | -110.422 |
| 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 | 58.08 | WT% | XRF | |
| AL2O3 | 17.49 | WT% | XRF | |
| FE2O3 | 0.74 | WT% | XRF | |
| FEO | 5.98 | WT% | XRF | |
| MGO | 3.17 | WT% | XRF | |
| CAO | 5.25 | WT% | XRF | |
| NA2O | 4.17 | WT% | XRF | |
| K2O | 3.28 | WT% | XRF | |
| TIO2 | 1.27 | WT% | XRF | |
| P2O5 | 0.45 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 2.2 | WT% | XRF | |
| RB | 69 | PPM | EDXRF | |
| SR | 895 | PPM | EDXRF | |
| Y | 30 | PPM | EDXRF | |
| ZR | 189 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF | |
| BA | 1577 | PPM | EDXRF | |
| LA | 55 | PPM | EDXRF | |
| CE | 11 | PPM | EDXRF | |
| ND | 51 | PPM | EDXRF |