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Sample DS89-004
NavDat sample number 45713 · RHYOLITE
Sample
| Sample ID | DS89-004 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.663 |
|---|
| Longitude | -106.949 |
|---|
| Location | W flank, Fisher Mountain |
|---|
| State / province | COLORADO |
|---|
| Formation | Snowshoe Mtn. Tuff, intracaldera, 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 | 66.33 | | WT% | XRF |
| TIO2 | 0.627903 | | WT% | XRF |
| AL2O3 | 16.4065 | | WT% | XRF |
| FE2O3 | 4.2029 | | WT% | XRF |
| MGO | 1.1444 | | WT% | XRF |
| CAO | 2.84582 | | WT% | XRF |
| NA2O | 3.34207 | | WT% | XRF |
| K2O | 4.25354 | | WT% | XRF |
| P2O5 | 0.12153 | | WT% | XRF |
| MNO | 0.0303824 | | WT% | XRF |
| LOI | 1.25 | | WT% | XRF |
| TOTAL | 99.31 | | WT% | XRF |
| ZN | 86 | | PPM | XRF |
| RB | 109 | | PPM | XRF |
| SR | 550 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 184 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| BA | 951 | | PPM | XRF |
| LA | 39 | | PPM | XRF |
| CE | 68 | | PPM | XRF |
| ND | 42 | | PPM | XRF |