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Sample I-841
NavDat sample number 11723 · RHYOLITE
Sample
| Sample ID | I-841 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
Location
| Latitude | 41.9347 |
|---|
| Longitude | -115.424 |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Cougar Point Tuff, Unit VII |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 11.8 |
|
10.62 |
12.98 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 72.24 | | WT% | XRF |
| AL2O3 | 12.83 | | WT% | XRF |
| TIO2 | 0.48 | | WT% | XRF |
| FE2O3T | 3.27 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| CAO | 1.34 | | WT% | XRF |
| MGO | 0.57 | | WT% | XRF |
| K2O | 5.7 | | WT% | XRF |
| NA2O | 2.58 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| TOTAL | 99.15 | | WT% | XRF |