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Sample 69L-15
NavDat sample number 45718 · RHYOLITE
Sample
| Sample ID | 69L-15 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.869 |
|---|
| Longitude | -106.696 |
|---|
| Location | Palmer Mesa |
|---|
| State / province | COLORADO |
|---|
| Formation | Snowshoe Mtn. Tuff, outflow sheet, Creede Caldera cycle |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 26.92 |
|
26.85 |
26.99 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 60.5 | | WT% | XRF |
| TIO2 | 0.755028 | | WT% | XRF |
| AL2O3 | 17.416 | | WT% | XRF |
| FE2O3 | 6.49324 | | WT% | XRF |
| MGO | 1.81207 | | WT% | XRF |
| CAO | 4.53017 | | WT% | XRF |
| NA2O | 3.87581 | | WT% | XRF |
| K2O | 3.26172 | | WT% | XRF |
| P2O5 | 0.332212 | | WT% | XRF |
| MNO | 0.130872 | | WT% | XRF |
| LOI | 0.66 | | WT% | XRF |
| TOTAL | 99.11 | | WT% | XRF |
| RB | 74 | | PPM | XRF |
| SR | 720 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 194 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 1050 | | PPM | XRF |
| LA | 47 | | PPM | XRF |
| CE | 84 | | PPM | XRF |