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Sample NE-1
NavDat sample number 67167 · RHYOLITE
Sample
| Sample ID | NE-1 |
|---|
| 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 | 76 | | WT% | XRF |
| AL2O3 | 13.6 | | WT% | XRF |
| FE2O3 | 0.64 | | WT% | XRF |
| MGO | 0.16 | | WT% | XRF |
| CAO | 0.71 | | WT% | XRF |
| NA2O | 4.16 | | WT% | XRF |
| K2O | 4.66 | | WT% | XRF |
| TIO2 | 0.06 | | WT% | XRF |
| P2O5 | 0.02 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| NB | 18 | | PPM | XRF |
| ZR | 76 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| SR | 120 | | PPM | XRF |
| RB | 129 | | PPM | XRF |