Sample J-40a
NavDat sample number 123231 · ALKALI BASALT
Sample
| Sample ID | J-40a |
|---|---|
| Rock name | ALKALI BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | SW Round Mountain |
Location
| Latitude | 32.666 |
|---|---|
| Longitude | -116.167 |
| Location | Jacumba |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 15.6 | 11.2 | 20 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.88 | WT% | UNKNOWN | |
| TIO2 | 1.33 | WT% | UNKNOWN | |
| AL2O3 | 16.57 | WT% | UNKNOWN | |
| FE2O3 | 3.61 | WT% | UNKNOWN | |
| FEO | 4.57 | WT% | UNKNOWN | |
| MNO | 0.13 | WT% | UNKNOWN | |
| MGO | 5.28 | WT% | UNKNOWN | |
| CAO | 8.6 | WT% | UNKNOWN | |
| NA2O | 3.65 | WT% | UNKNOWN | |
| K2O | 2.03 | WT% | UNKNOWN | |
| H2O_PLUS | 1.25 | WT% | UNKNOWN | |
| H2O_MINUS | 0.45 | WT% | UNKNOWN | |
| P2O5 | 0.44 | WT% | UNKNOWN | |
| TOTAL | 99.79 | WT% | UNKNOWN |