Sample 202402
NavDat sample number 50135 · ANDESITE
Sample
| Sample ID | 202402 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0783 |
|---|---|
| Longitude | -110.446 |
| 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 | 58.35 | WT% | XRF | |
| AL2O3 | 17.29 | WT% | XRF | |
| FE2O3 | 0.81 | WT% | XRF | |
| FEO | 6.57 | WT% | XRF | |
| MGO | 2.68 | WT% | XRF | |
| CAO | 5.74 | WT% | XRF | |
| NA2O | 3.68 | WT% | XRF | |
| K2O | 2.96 | WT% | XRF | |
| TIO2 | 1.34 | WT% | XRF | |
| P2O5 | 0.45 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| LOI | 2.41 | WT% | XRF | |
| RB | 65 | PPM | EDXRF | |
| SR | 791 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZR | 202 | PPM | EDXRF | |
| NB | 22 | PPM | EDXRF | |
| BA | 1526 | PPM | EDXRF | |
| LA | 55 | PPM | EDXRF | |
| CE | 85 | PPM | EDXRF | |
| ND | 30 | PPM | EDXRF |