Sample 202517
NavDat sample number 50145 · ANDESITE
Sample
| Sample ID | 202517 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0338 |
|---|---|
| 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 | 57.62 | WT% | XRF | |
| AL2O3 | 16.32 | WT% | XRF | |
| FE2O3 | 0.8 | WT% | XRF | |
| FEO | 6.51 | WT% | XRF | |
| MGO | 4.45 | WT% | XRF | |
| CAO | 6.63 | WT% | XRF | |
| NA2O | 3.22 | WT% | XRF | |
| K2O | 2.82 | WT% | XRF | |
| TIO2 | 1.09 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 1.89 | WT% | XRF | |
| RB | 43 | PPM | EDXRF | |
| SR | 664 | PPM | EDXRF | |
| Y | 13 | PPM | EDXRF | |
| ZR | 114 | PPM | EDXRF | |
| NB | 15 | PPM | EDXRF | |
| BA | 1448 | PPM | EDXRF | |
| LA | 45 | PPM | EDXRF | |
| CE | 77 | PPM | EDXRF | |
| ND | 45 | PPM | EDXRF |