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Sample 90-177R
NavDat sample number 48414 · RHYOLITE
Sample
| Sample ID | 90-177R |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | vitrophyric; phenocryst-rich |
|---|
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 | 74.9 | | WT% | XRF |
| TIO2 | 0.31 | | WT% | XRF |
| AL2O3 | 12.7 | | WT% | XRF |
| FEOT | 2.16 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.12 | | WT% | XRF |
| CAO | 1.03 | | WT% | XRF |
| NA2O | 2.9 | | WT% | XRF |
| K2O | 5.78 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| BA | 567 | | PPM | XRF |
| RB | 242 | | PPM | XRF |
| SR | 52 | | PPM | XRF |
| ZR | 308 | | PPM | XRF |
