Sample 202337
NavDat sample number 50133 · ANDESITE
Sample
| Sample ID | 202337 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0386 |
|---|---|
| Longitude | -110.288 |
| 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 | 57.87 | WT% | XRF | |
| AL2O3 | 14.77 | WT% | XRF | |
| FE2O3 | 0.93 | WT% | XRF | |
| FEO | 7.53 | WT% | XRF | |
| MGO | 5.26 | WT% | XRF | |
| CAO | 5.42 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 2.87 | WT% | XRF | |
| TIO2 | 1.1 | WT% | XRF | |
| P2O5 | 0.38 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| RB | 83 | PPM | EDXRF | |
| SR | 726 | PPM | EDXRF | |
| Y | 24 | PPM | EDXRF | |
| ZR | 237 | PPM | EDXRF | |
| NB | 14 | PPM | EDXRF | |
| BA | 1418 | PPM | EDXRF | |
| LA | 72 | PPM | EDXRF | |
| CE | 86 | PPM | EDXRF | |
| ND | 55 | PPM | EDXRF |