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Sample NE-2
NavDat sample number 67168 · RHYOLITE
Sample
| Sample ID | NE-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 | 75.8 | | WT% | XRF |
| AL2O3 | 14.2 | | WT% | XRF |
| FE2O3 | 0.22 | | WT% | XRF |
| MGO | 0.1 | | WT% | XRF |
| CAO | 0.41 | | WT% | XRF |
| NA2O | 4.2 | | WT% | XRF |
| K2O | 5.01 | | WT% | XRF |
| TIO2 | 0.08 | | WT% | XRF |
| P2O5 | 0.02 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| NB | 16 | | PPM | XRF |
| ZR | 72 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| SR | 54 | | PPM | XRF |
| RB | 133 | | PPM | XRF |
