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Sample X-174
NavDat sample number 11728 · RHYOLITE
Sample
| Sample ID | X-174 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | basal vitrophyre |
|---|
Location
| Latitude | 41.9987 |
|---|
| Longitude | -115.409 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Cougar Point Tuff, unit XI |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.31 |
|
10.179 |
12.441 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.44 | | WT% | XRF |
| AL2O3 | 12.36 | | WT% | XRF |
| TIO2 | 0.28 | | WT% | XRF |
| FE2O3T | 1.88 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CAO | 0.66 | | WT% | XRF |
| MGO | 0.35 | | WT% | XRF |
| K2O | 6.31 | | WT% | XRF |
| NA2O | 2.48 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| TOTAL | 98.83 | | WT% | XRF |
