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Sample 67L-77F
NavDat sample number 45879 · RHYOLITE
Sample
| Sample ID | 67L-77F |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.079 |
|---|
| Longitude | -107.003 |
|---|
| Location | Cathedral Creek Ranch |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, middle rhyolite |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.95 | | WT% | XRF |
| TIO2 | 0.272819 | | WT% | XRF |
| AL2O3 | 14.3483 | | WT% | XRF |
| FE2O3 | 1.66723 | | WT% | XRF |
| MGO | 0.303132 | | WT% | XRF |
| CAO | 1.21253 | | WT% | XRF |
| NA2O | 3.73863 | | WT% | XRF |
| K2O | 5.0522 | | WT% | XRF |
| P2O5 | 0.0606265 | | WT% | XRF |
| MNO | 0.0707309 | | WT% | XRF |
| LOI | 1.03 | | WT% | XRF |
| TOTAL | 99.68 | | WT% | XRF |
| ZN | 35 | | PPM | XRF |
| RB | 125 | | PPM | XRF |
| SR | 218 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 199 | | PPM | XRF |
| NB | 17 | | PPM | XRF |
| PB | 36 | | PPM | XRF |
