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Sample 91-249
NavDat sample number 48413 · RHYOLITE
Sample
| Sample ID | 91-249 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | crystalline; aphyric |
|---|
Location
| Latitude | 42.3377 |
|---|
| Longitude | -116.731 |
|---|
| Location | Badlands |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Juniper Mountain volcanic center, Badlands Lava Flow |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.73 |
|
13.65 |
13.81 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 78.1 | | WT% | XRF |
| TIO2 | 0.11 | | WT% | XRF |
| AL2O3 | 11.8 | | WT% | XRF |
| FEOT | 1.25 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.39 | | WT% | XRF |
| NA2O | 3.28 | | WT% | XRF |
| K2O | 4.99 | | WT% | XRF |
| P2O5 | 0.02 | | WT% | XRF |
| BA | 146 | | PPM | XRF |
| RB | 302 | | PPM | XRF |
| SR | 12 | | PPM | XRF |
| ZR | 171 | | PPM | XRF |
