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Sample 67L-77D
NavDat sample number 45878 · RHYOLITE
Sample
| Sample ID | 67L-77D |
|---|
| 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, upper 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 | 73.78 | | WT% | XRF |
| TIO2 | 0.32563 | | WT% | XRF |
| AL2O3 | 14.1446 | | WT% | XRF |
| FE2O3 | 2.07589 | | WT% | XRF |
| MGO | 0.345982 | | WT% | XRF |
| CAO | 1.22111 | | WT% | XRF |
| NA2O | 3.45982 | | WT% | XRF |
| K2O | 4.57917 | | WT% | XRF |
| P2O5 | 0.0814075 | | WT% | XRF |
| MNO | 0.0508797 | | WT% | XRF |
| LOI | 1.73 | | WT% | XRF |
| TOTAL | 100.06 | | WT% | XRF |
| ZN | 38 | | PPM | XRF |
| RB | 118 | | PPM | XRF |
| SR | 321 | | PPM | XRF |
| Y | 21 | | PPM | XRF |
| ZR | 219 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| PB | 63 | | PPM | XRF |
