Sample 202611
NavDat sample number 50152 · ANDESITE
Sample
| Sample ID | 202611 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0595 |
|---|---|
| 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 | 56.58 | WT% | XRF | |
| AL2O3 | 18.28 | WT% | XRF | |
| FE2O3 | 0.72 | WT% | XRF | |
| FEO | 5.81 | WT% | XRF | |
| MGO | 2.35 | WT% | XRF | |
| CAO | 5.34 | WT% | XRF | |
| NA2O | 5.3 | WT% | XRF | |
| K2O | 3.38 | WT% | XRF | |
| TIO2 | 1.55 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 0.04 | WT% | XRF | |
| RB | 69 | PPM | EDXRF | |
| SR | 1192 | PPM | EDXRF | |
| Y | 28 | PPM | EDXRF | |
| ZR | 206 | PPM | EDXRF | |
| NB | 25 | PPM | EDXRF | |
| BA | 1826 | PPM | EDXRF | |
| LA | 86 | PPM | EDXRF | |
| CE | 108 | PPM | EDXRF | |
| ND | 42 | PPM | EDXRF |