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Sample 99L-1
NavDat sample number 46061 · DACITE
Sample
| Sample ID | 99L-1 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.039 |
|---|
| Longitude | -106.851 |
|---|
| Location | Nutras Ck. |
|---|
| State / province | COLORADO |
|---|
| Formation | La Garita Caldera Cycle, Huerto Andesite, dacite flows |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.71 |
|
27.62 |
27.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.07 | | WT% | XRF |
| TIO2 | 0.589693 | | WT% | XRF |
| AL2O3 | 17.0808 | | WT% | XRF |
| FE2O3 | 3.83301 | | WT% | XRF |
| MGO | 1.11838 | | WT% | XRF |
| CAO | 2.9688 | | WT% | XRF |
| NA2O | 4.16852 | | WT% | XRF |
| K2O | 4.57521 | | WT% | XRF |
| P2O5 | 0.294847 | | WT% | XRF |
| MNO | 0.0711699 | | WT% | XRF |
| LOI | 1.64 | | WT% | XRF |
| TOTAL | 99.77 | | WT% | XRF |
