Sample 202714
NavDat sample number 50164 · DACITE
Sample
| Sample ID | 202714 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Trachyte |
Location
| Latitude | 46.0378 |
|---|---|
| Longitude | -110.316 |
| 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 | 64.53 | WT% | XRF | |
| AL2O3 | 16.49 | WT% | XRF | |
| FE2O3 | 0.47 | WT% | XRF | |
| FEO | 3.83 | WT% | XRF | |
| MGO | 1.69 | WT% | XRF | |
| CAO | 3.53 | WT% | XRF | |
| NA2O | 4.85 | WT% | XRF | |
| K2O | 3.42 | WT% | XRF | |
| TIO2 | 0.76 | WT% | XRF | |
| P2O5 | 0.34 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 0.06 | WT% | XRF | |
| RB | 70 | PPM | EDXRF | |
| SR | 949 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| ZR | 216 | PPM | EDXRF | |
| NB | 30 | PPM | EDXRF | |
| BA | 2077 | PPM | EDXRF | |
| LA | 84 | PPM | EDXRF | |
| CE | 112 | PPM | EDXRF | |
| ND | 52 | PPM | EDXRF |