← Search
Sample X-72
NavDat sample number 11726 · RHYOLITE
Sample
| Sample ID | X-72 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | lithic rock |
|---|
Location
| Latitude | 41.9513 |
|---|
| Longitude | -115.331 |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Cougar Point Tuff, unit X |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.4 |
|
10.26 |
12.54 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 76.14 | | WT% | XRF |
| AL2O3 | 12.46 | | WT% | XRF |
| TIO2 | 0.3 | | WT% | XRF |
| FE2O3T | 2.45 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| CAO | 0.48 | | WT% | XRF |
| MGO | 0.34 | | WT% | XRF |
| K2O | 5.61 | | WT% | XRF |
| NA2O | 3.16 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| TOTAL | 101.03 | | WT% | XRF |
