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Sample SJ-85-58
NavDat sample number 45883 · RHYOLITE
Sample
| Sample ID | SJ-85-58 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.079 |
|---|
| Longitude | -107.004 |
|---|
| Location | Cathedral Creek Ranch |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, lower 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 | 71.08 | | WT% | XRF |
| TIO2 | 0.2959 | | WT% | XRF |
| AL2O3 | 15.0807 | | WT% | XRF |
| FE2O3 | 1.69377 | | WT% | XRF |
| MGO | 0.510172 | | WT% | XRF |
| CAO | 1.35706 | | WT% | XRF |
| NA2O | 3.66303 | | WT% | XRF |
| K2O | 5.52006 | | WT% | XRF |
| P2O5 | 0.0612206 | | WT% | XRF |
| MNO | 0.0510172 | | WT% | XRF |
| LOI | 1.98 | | WT% | XRF |
| TOTAL | 99.31 | | WT% | XRF |
| ZN | 40 | | PPM | XRF |
| RB | 174 | | PPM | XRF |
| SR | 270 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| ZR | 213 | | PPM | XRF |
| NB | 21 | | PPM | XRF |
| PB | 41 | | PPM | XRF |
| CU | 20 | | PPM | XRF |
