Sample 4
NavDat sample number 10570 · ANDESITE
Sample
| Sample ID | 4 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.6184 |
|---|---|
| Longitude | -114.244 |
| Location | eastern Salmon River Mountains |
| State / province | Idaho |
| Volcanic field | unnamed Challis andesite flow |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 50.3 | 48.8 | 51.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.3 | WT% | UNKNOWN | |
| AL2O3 | 14 | WT% | UNKNOWN | |
| FE2O3 | 3.5 | WT% | UNKNOWN | |
| FEO | 5.6 | WT% | UNKNOWN | |
| MGO | 6.8 | WT% | UNKNOWN | |
| CAO | 7.3 | WT% | UNKNOWN | |
| NA2O | 3.1 | WT% | UNKNOWN | |
| K2O | 2.7 | WT% | UNKNOWN | |
| H2O_PLUS | 1.1 | WT% | UNKNOWN | |
| H2O_MINUS | 0.81 | WT% | UNKNOWN | |
| TIO2 | 1 | WT% | UNKNOWN | |
| P2O5 | 0.39 | WT% | UNKNOWN | |
| MNO | 0.12 | WT% | UNKNOWN | |
| CO2 | 0.08 | WT% | UNKNOWN | |
| TOTAL | 100.88 | WT% | UNKNOWN |