← Search
Sample PYR-7
NavDat sample number 67154 · DACITE
Sample
| Sample ID | PYR-7 |
|---|
| Rock name | DACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | rhyodacite dike |
|---|
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 | 70.6 | | WT% | XRF |
| AL2O3 | 13.8 | | WT% | XRF |
| FE2O3 | 1.6 | | WT% | XRF |
| MGO | 0.47 | | WT% | XRF |
| CAO | 1.59 | | WT% | XRF |
| NA2O | 3.35 | | WT% | XRF |
| K2O | 4.38 | | WT% | XRF |
| TIO2 | 0.22 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| SIO2 | 71.6 | | WT% | XRF |
| AL2O3 | 15.5 | | WT% | XRF |
| FE2O3 | 1.42 | | WT% | XRF |
| MGO | 0.51 | | WT% | XRF |
| CAO | 1.99 | | WT% | XRF |
| NA2O | 3.52 | | WT% | XRF |
| K2O | 4.45 | | WT% | XRF |
| TIO2 | 0.26 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| NB | 13 | | PPM | XRF |
| ZR | 159 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| SR | 227 | | PPM | XRF |
| RB | 108 | | PPM | XRF |
| BA | 1457 | | PPM | XRF |
