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Sample I-556
NavDat sample number 11722 · RHYOLITE
Sample
| Sample ID | I-556 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
|---|
Location
| Latitude | 41.9472 |
|---|
| Longitude | -115.417 |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Cougar Point Tuff, unit V |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12.07 |
|
12.03 |
12.11 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.61 | | WT% | XRF |
| AL2O3 | 12.21 | | WT% | XRF |
| TIO2 | 0.23 | | WT% | XRF |
| FE2O3T | 1.83 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CAO | 0.55 | | WT% | XRF |
| MGO | 0.29 | | WT% | XRF |
| K2O | 6.03 | | WT% | XRF |
| NA2O | 2.51 | | WT% | XRF |
| P2O5 | 0.03 | | WT% | XRF |
| TOTAL | 98.32 | | WT% | XRF |
