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Sample P-5
NavDat sample number 67133 · DACITE
Sample
| Sample ID | P-5 |
|---|
| Rock name | DACITE |
|---|
| 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 | 62.2 | | WT% | XRF |
| AL2O3 | 16.7 | | WT% | XRF |
| FE2O3 | 5.33 | | WT% | XRF |
| MGO | 1.72 | | WT% | XRF |
| CAO | 3.67 | | WT% | XRF |
| NA2O | 3.34 | | WT% | XRF |
| K2O | 3.5 | | WT% | XRF |
| TIO2 | 0.63 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| SIO2 | 63.1 | | WT% | XRF |
| AL2O3 | 14.87 | | WT% | XRF |
| FE2O3 | 4.15 | | WT% | XRF |
| MGO | 2.44 | | WT% | XRF |
| CAO | 3.47 | | WT% | XRF |
| NA2O | 3.09 | | WT% | XRF |
| K2O | 3.18 | | WT% | XRF |
| TIO2 | 0.72 | | WT% | XRF |
| P2O5 | 0.23 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| NB | 13 | | PPM | XRF |
| ZR | 261 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| SR | 686 | | PPM | XRF |
| RB | 94 | | PPM | XRF |
| BA | 1480 | | PPM | XRF |