Sample IV71-4
NavDat sample number 4935 · BASALT
Sample
| Sample ID | IV71-4 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Group 1. Porphyritic |
Location
| Latitude | 42.7422 |
|---|---|
| Longitude | -112.916 |
| Location | roadcut on old Highway 15, 160 m south of point where Cedar Butte lava dam crosses Snake River |
| State / province | Idaho |
| Volcanic field | Cedar Butte lava flow |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.9 | 0 | 1.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 46.44 | WT% | UNKNOWN | |
| TIO2 | 2.05 | WT% | UNKNOWN | |
| AL2O3 | 15.16 | WT% | UNKNOWN | |
| FE2O3 | 1.51 | WT% | UNKNOWN | |
| FEO | 10.69 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 9.28 | WT% | UNKNOWN | |
| CAO | 10.53 | WT% | UNKNOWN | |
| NA2O | 2.66 | WT% | UNKNOWN | |
| K2O | 0.54 | WT% | UNKNOWN | |
| P2O5 | 0.44 | WT% | UNKNOWN | |
| H2O_PLUS | 0.18 | WT% | UNKNOWN | |
| H2O_MINUS | 0.1 | WT% | UNKNOWN | |
| TOTAL | 99.74 | WT% | UNKNOWN |