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Sample PC-2
NavDat sample number 67166 · RHYOLITE
Sample
| Sample ID | PC-2 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | rhyolite lithic in Grizzly Peak tuff |
|---|
Location
| Latitude | 39.08 |
|---|
| Longitude | -106.58 |
|---|
| Location | grizzly peak cauldron |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33 |
|
29.7 |
36.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.1 | | WT% | XRF |
| AL2O3 | 14.5 | | WT% | XRF |
| FE2O3 | 0.63 | | WT% | XRF |
| MGO | 0.19 | | WT% | XRF |
| CAO | 0.58 | | WT% | XRF |
| NA2O | 4.07 | | WT% | XRF |
| K2O | 4.77 | | WT% | XRF |
| TIO2 | 0.08 | | WT% | XRF |
| P2O5 | 0.02 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| NB | 18 | | PPM | XRF |
| ZR | 66 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| SR | 128 | | PPM | XRF |
| RB | 119 | | PPM | XRF |
