← Search
Sample R-284
NavDat sample number 1341 · DACITE
Sample
| Sample ID | R-284 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.7708 |
|---|
| Longitude | -106.828 |
|---|
| Location | Cliffs SE of Wagon Wheel Gap |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.26 |
|
26.22 |
26.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 61.45 | | WT% | XRF |
| TIO2 | 0.8 | | WT% | XRF |
| AL2O3 | 15.87 | | WT% | XRF |
| FE2O3 | 6.55 | | WT% | XRF |
| MGO | 3.07 | | WT% | XRF |
| CAO | 5.22 | | WT% | XRF |
| NA2O | 3.69 | | WT% | XRF |
| K2O | 2.66 | | WT% | XRF |
| P2O5 | 0.26 | | WT% | XRF |
| MNO | 0.16 | | WT% | XRF |
| LOI | 2.35 | | WT% | XRF |
| TOTAL | 99.74 | | WT% | XRF |
