Sample 202308
NavDat sample number 50130 · ANDESITE
Sample
| Sample ID | 202308 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 46.0198 |
|---|---|
| Longitude | -110.291 |
| 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 | 59.16 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FE2O3 | 0.74 | WT% | XRF | |
| FEO | 5.99 | WT% | XRF | |
| MGO | 2.91 | WT% | XRF | |
| CAO | 4.94 | WT% | XRF | |
| NA2O | 4.93 | WT% | XRF | |
| K2O | 3.24 | WT% | XRF | |
| TIO2 | 1.41 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 0.76 | WT% | XRF | |
| RB | 57 | PPM | EDXRF | |
| SR | 1003 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZR | 198 | PPM | EDXRF | |
| NB | 20 | PPM | EDXRF | |
| BA | 1897 | PPM | EDXRF | |
| LA | 68 | PPM | EDXRF | |
| CE | 99 | PPM | EDXRF | |
| ND | 22 | PPM | EDXRF |