Sample Y-54-598
NavDat sample number 12080 · DACITE
Sample
| Sample ID | Y-54-598 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | phenos of plag, quartz, chloritized horn and pyr; pilotaxitic groundmass |
Location
| Latitude | 45.0733 |
|---|---|
| Longitude | -115.329 |
| State / province | Idaho |
| Volcanic field | Challis Volcanics; Thunder Mountain cauldron complex |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 45 | 49 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.1 | WT% | UNKNOWN | |
| AL2O3 | 15.5 | WT% | UNKNOWN | |
| FE2O3 | 2 | WT% | UNKNOWN | |
| FEO | 2.4 | WT% | UNKNOWN | |
| MGO | 2.7 | WT% | UNKNOWN | |
| CAO | 3.6 | WT% | UNKNOWN | |
| NA2O | 3.5 | WT% | UNKNOWN | |
| K2O | 3.5 | WT% | UNKNOWN | |
| H2O_PLUS | 2 | WT% | UNKNOWN | |
| H2O_MINUS | 0.09 | WT% | UNKNOWN | |
| TIO2 | 0.7 | WT% | UNKNOWN | |
| P2O5 | 0.34 | WT% | UNKNOWN | |
| MNO | 0.07 | WT% | UNKNOWN | |
| CO2 | 0.76 | WT% | UNKNOWN | |
| TOTAL | 100.29 | WT% | UNKNOWN | |
| CL | 0 | WT% | UNKNOWN | |
| F | 0.03 | WT% | UNKNOWN |