Sample P-1
NavDat sample number 67130 · RHYOLITE
Sample
| Sample ID | P-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 39.08 |
|---|---|
| Longitude | -106.58 |
| Location | grizzly peak cauldron |
| State / province | COLORADO |
| Formation | Post-resurgent intrusions of Grizzly Peak Cauldron |
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 | 77.7 | WT% | XRF | |
| AL2O3 | 12.6 | WT% | XRF | |
| FE2O3 | 0.9 | WT% | XRF | |
| MGO | 0.36 | WT% | XRF | |
| CAO | 0.1 | WT% | XRF | |
| NA2O | 0.18 | WT% | XRF | |
| K2O | 3.61 | WT% | XRF | |
| TIO2 | 0.13 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| SIO2 | 73.9 | WT% | XRF | |
| AL2O3 | 17.34 | WT% | XRF | |
| FE2O3 | 0.9 | WT% | XRF | |
| MGO | 0.25 | WT% | XRF | |
| CAO | 0.13 | WT% | XRF | |
| NA2O | 0.44 | WT% | XRF | |
| K2O | 4.09 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| MNO | 0 | WT% | XRF | |
| NB | 16 | PPM | XRF | |
| ZR | 106 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| SR | 69 | PPM | XRF | |
| RB | 114 | PPM | XRF | |
| BA | 1429 | PPM | XRF |