Sample 202601
NavDat sample number 50146 · ANDESITE
Sample
| Sample ID | 202601 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0103 |
|---|---|
| Longitude | -110.305 |
| 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 | 58.44 | WT% | XRF | |
| AL2O3 | 17.24 | WT% | XRF | |
| FE2O3 | 0.79 | WT% | XRF | |
| FEO | 6.39 | WT% | XRF | |
| MGO | 2.84 | WT% | XRF | |
| CAO | 5.39 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| K2O | 2.78 | WT% | XRF | |
| TIO2 | 1.23 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 0.44 | WT% | XRF | |
| RB | 71 | PPM | EDXRF | |
| SR | 860 | PPM | EDXRF | |
| Y | 16 | PPM | EDXRF | |
| ZR | 210 | PPM | EDXRF | |
| NB | 23 | PPM | EDXRF | |
| BA | 1470 | PPM | EDXRF | |
| LA | 44 | PPM | EDXRF | |
| CE | 74 | PPM | EDXRF | |
| ND | 22 | PPM | EDXRF |