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Sample C-69A
NavDat sample number 1366 · RHYOLITE
Sample
| Sample ID | C-69A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.8911 |
|---|
| Longitude | -106.913 |
|---|
| Location | East of E. Willow Ck. |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.46 | | WT% | XRF |
| TIO2 | 0.28 | | WT% | XRF |
| AL2O3 | 14.41 | | WT% | XRF |
| FE2O3 | 1.77 | | WT% | XRF |
| MGO | 0.45 | | WT% | XRF |
| CAO | 0.22 | | WT% | XRF |
| NA2O | 0.87 | | WT% | XRF |
| K2O | 9.23 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| LOI | 1.46 | | WT% | XRF |
| TOTAL | 100.79 | | WT% | XRF |
