← Search
Sample 99L-3
NavDat sample number 46152 · DACITE
Sample
| Sample ID | 99L-3 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.11 |
|---|
| Longitude | -106.969 |
|---|
| Location | East Los Pinos Pass |
|---|
| State / province | COLORADO |
|---|
| Formation | Conejos Formation and related early rocks |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.25 |
|
29.5 |
33 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.68 | | WT% | XRF |
| TIO2 | 0.738824 | | WT% | XRF |
| AL2O3 | 16.9019 | | WT% | XRF |
| FE2O3 | 3.71436 | | WT% | XRF |
| MGO | 0.607252 | | WT% | XRF |
| CAO | 3.15771 | | WT% | XRF |
| NA2O | 4.23053 | | WT% | XRF |
| K2O | 4.23053 | | WT% | XRF |
| P2O5 | 0.303626 | | WT% | XRF |
| MNO | 0.0708461 | | WT% | XRF |
| LOI | 1.19 | | WT% | XRF |
| TOTAL | 99.64 | | WT% | XRF |
