Sample 202510
NavDat sample number 50140 · DACITE
Sample
| Sample ID | 202510 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Trachyte |
Location
| Latitude | 46.0322 |
|---|---|
| Longitude | -110.333 |
| 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 | 56.28 | WT% | XRF | |
| AL2O3 | 16.23 | WT% | XRF | |
| FE2O3 | 0.85 | WT% | XRF | |
| FEO | 6.9 | WT% | XRF | |
| MGO | 4.38 | WT% | XRF | |
| CAO | 6.2 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 3.29 | WT% | XRF | |
| TIO2 | 1.32 | WT% | XRF | |
| P2O5 | 0.45 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 3.38 | WT% | XRF | |
| RB | 74 | PPM | EDXRF | |
| SR | 762 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZR | 195 | PPM | EDXRF | |
| NB | 23 | PPM | EDXRF | |
| BA | 1450 | PPM | EDXRF | |
| LA | 28 | PPM | EDXRF | |
| CE | 75 | PPM | EDXRF | |
| ND | 33 | PPM | EDXRF |