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Sample 10-Jul
NavDat sample number 15998 · TRACHYBASALT
Sample
| Sample ID | 10-Jul |
|---|
| Rock name | TRACHYBASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 33.9983 |
|---|
| Longitude | -114.628 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Quechan volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 23.5 |
|
22.9 |
24.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 52.77 | | WT% | XRF |
| TIO2 | 1.64 | | WT% | XRF |
| AL2O3 | 15.8 | | WT% | XRF |
| FEO | 7.26 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 9.65 | | WT% | XRF |
| CAO | 7.98 | | WT% | XRF |
| NA2O | 2.49 | | WT% | XRF |
| K2O | 1.72 | | WT% | XRF |
| TOTAL | 99.42 | | WT% | XRF |
