Sample 53
NavDat sample number 36557 · DACITE
Sample
| Sample ID | 53 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.71 |
|---|---|
| Longitude | -107.2 |
| Location | West Elk volcanic field |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 26 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.8 | WT% | UNKNOWN | |
| AL2O3 | 16.3 | WT% | UNKNOWN | |
| FE2O3 | 4.4 | WT% | UNKNOWN | |
| FEO | 1.4 | WT% | UNKNOWN | |
| MGO | 1.7 | WT% | UNKNOWN | |
| CAO | 4.1 | WT% | UNKNOWN | |
| NA2O | 3.6 | WT% | UNKNOWN | |
| K2O | 2.9 | WT% | UNKNOWN | |
| H2O_PLUS | 0.83 | WT% | UNKNOWN | |
| H2O_MINUS | 0.87 | WT% | UNKNOWN | |
| TIO2 | 0.62 | WT% | UNKNOWN | |
| P2O5 | 0.38 | WT% | UNKNOWN | |
| MNO | 0.14 | WT% | UNKNOWN | |
| CO2 | 0.02 | WT% | UNKNOWN | |
| TOTAL | 99.06 | WT% | UNKNOWN |