Sample Z72-8
NavDat sample number 4942 · BASALT
Sample
| Sample ID | Z72-8 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Group 1. Nonporphyritic |
Location
| Latitude | 42.8494 |
|---|---|
| Longitude | -114.894 |
| Location | from roadcut near location of sample Z72-7, approximately180 m north of gate to White Water Ranch |
| State / province | Idaho |
| Volcanic field | Madison basalt 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 | 47.93 | WT% | UNKNOWN | |
| TIO2 | 2.11 | WT% | UNKNOWN | |
| AL2O3 | 15.2 | WT% | UNKNOWN | |
| FE2O3 | 1.18 | WT% | UNKNOWN | |
| FEO | 10.43 | WT% | UNKNOWN | |
| MNO | 0.17 | WT% | UNKNOWN | |
| MGO | 8.61 | WT% | UNKNOWN | |
| CAO | 10.12 | WT% | UNKNOWN | |
| NA2O | 2.54 | WT% | UNKNOWN | |
| K2O | 0.63 | WT% | UNKNOWN | |
| P2O5 | 0.35 | WT% | UNKNOWN | |
| H2O_PLUS | 0.29 | WT% | UNKNOWN | |
| H2O_MINUS | 0.15 | WT% | UNKNOWN | |
| TOTAL | 99.71 | WT% | UNKNOWN |