Sample 202501
NavDat sample number 50136 · ANDESITE
Sample
| Sample ID | 202501 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0389 |
|---|---|
| Longitude | -110.355 |
| 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 | 58.05 | WT% | XRF | |
| AL2O3 | 16.34 | WT% | XRF | |
| FE2O3 | 0.74 | WT% | XRF | |
| FEO | 6.02 | WT% | XRF | |
| MGO | 4.01 | WT% | XRF | |
| CAO | 5.8 | WT% | XRF | |
| NA2O | 4.15 | WT% | XRF | |
| K2O | 2.96 | WT% | XRF | |
| TIO2 | 1.37 | WT% | XRF | |
| P2O5 | 0.44 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| RB | 68 | PPM | EDXRF | |
| SR | 1053 | PPM | EDXRF | |
| Y | 23 | PPM | EDXRF | |
| ZR | 179 | PPM | EDXRF | |
| NB | 25 | PPM | EDXRF | |
| BA | 1698 | PPM | EDXRF | |
| LA | 53 | PPM | EDXRF | |
| CE | 96 | PPM | EDXRF | |
| ND | 19 | PPM | EDXRF |