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Sample DS87-140-B
NavDat sample number 45719 · RHYOLITE
Sample
| Sample ID | DS87-140-B |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.897 |
|---|
| Longitude | -106.699 |
|---|
| 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 | 59.94 | | WT% | XRF |
| TIO2 | 0.761927 | | WT% | XRF |
| AL2O3 | 17.4735 | | WT% | XRF |
| FE2O3 | 6.39003 | | WT% | XRF |
| MGO | 2.20451 | | WT% | XRF |
| CAO | 4.98808 | | WT% | XRF |
| NA2O | 3.81979 | | WT% | XRF |
| K2O | 2.96643 | | WT% | XRF |
| P2O5 | 0.355566 | | WT% | XRF |
| MNO | 0.121908 | | WT% | XRF |
| LOI | 1.55 | | WT% | XRF |
| TOTAL | 99.02 | | WT% | XRF |
| RB | 104 | | PPM | XRF |
| SR | 740 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 215 | | PPM | XRF |
| NB | 12 | | PPM | XRF |
| BA | 950 | | PPM | XRF |
| LA | 42 | | PPM | XRF |
| CE | 88 | | PPM | XRF |
