Sample 51
NavDat sample number 36555 · ANDESITE
Sample
| Sample ID | 51 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| 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 | 55 | WT% | UNKNOWN | |
| AL2O3 | 15.9 | WT% | UNKNOWN | |
| FE2O3 | 5 | WT% | UNKNOWN | |
| FEO | 4.5 | WT% | UNKNOWN | |
| MGO | 4.1 | WT% | UNKNOWN | |
| CAO | 5.9 | WT% | UNKNOWN | |
| NA2O | 2.5 | WT% | UNKNOWN | |
| K2O | 2.7 | WT% | UNKNOWN | |
| H2O_PLUS | 1.2 | WT% | UNKNOWN | |
| H2O_MINUS | 1 | WT% | UNKNOWN | |
| TIO2 | 1.2 | WT% | UNKNOWN | |
| P2O5 | 0.48 | WT% | UNKNOWN | |
| MNO | 0.15 | WT% | UNKNOWN | |
| CO2 | 0.02 | WT% | UNKNOWN | |
| TOTAL | 99.65 | WT% | UNKNOWN | |
| BA | 671 | PPM | UNKNOWN | |
| SR | 712 | PPM | UNKNOWN |