Sample 202617
NavDat sample number 50153 · ANDESITE
Sample
| Sample ID | 202617 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.1195 |
|---|---|
| Longitude | -110.275 |
| 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 | 55.31 | WT% | XRF | |
| AL2O3 | 17.22 | WT% | XRF | |
| FE2O3 | 0.98 | WT% | XRF | |
| FEO | 7.92 | WT% | XRF | |
| MGO | 3.62 | WT% | XRF | |
| CAO | 5.14 | WT% | XRF | |
| NA2O | 3.72 | WT% | XRF | |
| K2O | 4 | WT% | XRF | |
| TIO2 | 1.41 | WT% | XRF | |
| P2O5 | 0.54 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| LOI | 2.48 | WT% | XRF | |
| RB | 81 | PPM | EDXRF | |
| SR | 700 | PPM | EDXRF | |
| Y | 27 | PPM | EDXRF | |
| ZR | 157 | PPM | EDXRF | |
| NB | 19 | PPM | EDXRF | |
| BA | 1812 | PPM | EDXRF | |
| LA | 74 | PPM | EDXRF | |
| CE | 88 | PPM | EDXRF | |
| ND | 36 | PPM | EDXRF |