Sample 202602
NavDat sample number 50147 · DACITE
Sample
| Sample ID | 202602 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Trachyte |
Location
| Latitude | 46.0103 |
|---|---|
| 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 | 65.23 | WT% | XRF | |
| AL2O3 | 17 | WT% | XRF | |
| FE2O3 | 0.4 | WT% | XRF | |
| FEO | 3.21 | WT% | XRF | |
| MGO | 1.15 | WT% | XRF | |
| CAO | 2.47 | WT% | XRF | |
| NA2O | 5.05 | WT% | XRF | |
| K2O | 4.35 | WT% | XRF | |
| TIO2 | 0.86 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| LOI | 1.43 | WT% | XRF | |
| RB | 87 | PPM | EDXRF | |
| SR | 575 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| ZR | 306 | PPM | EDXRF | |
| NB | 28 | PPM | EDXRF | |
| BA | 2063 | PPM | EDXRF | |
| LA | 59 | PPM | EDXRF | |
| CE | 118 | PPM | EDXRF | |
| ND | 46 | PPM | EDXRF |