Sample 202625
NavDat sample number 50159 · ANDESITE
Sample
| Sample ID | 202625 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.1263 |
|---|---|
| Longitude | -110.264 |
| 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 | 57.24 | WT% | XRF | |
| AL2O3 | 16.68 | WT% | XRF | |
| FE2O3 | 0.87 | WT% | XRF | |
| FEO | 7.04 | WT% | XRF | |
| MGO | 3.54 | WT% | XRF | |
| CAO | 5.31 | WT% | XRF | |
| NA2O | 3.94 | WT% | XRF | |
| K2O | 3.66 | WT% | XRF | |
| TIO2 | 1 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| LOI | 1.21 | WT% | XRF | |
| RB | 68 | PPM | EDXRF | |
| SR | 1242 | PPM | EDXRF | |
| Y | 28 | PPM | EDXRF | |
| ZR | 198 | PPM | EDXRF | |
| NB | 14 | PPM | EDXRF | |
| BA | 2292 | PPM | EDXRF | |
| LA | 85 | PPM | EDXRF | |
| CE | 105 | PPM | EDXRF | |
| ND | 66 | PPM | EDXRF |