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Sample DS87-063
NavDat sample number 45823 · VITROPHYRE
Sample
| Sample ID | DS87-063 |
|---|
| Rock name | VITROPHYRE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.03 |
|---|
| Longitude | -106.98 |
|---|
| Location | above Mineral Mtn. Rhyolite |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, Nelson Mountain Tuff, Equity phase, intracaldera |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.75 |
|
26 |
27.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.7 | | WT% | XRF |
| TIO2 | 0.368344 | | WT% | XRF |
| AL2O3 | 14.7338 | | WT% | XRF |
| FE2O3 | 2.37377 | | WT% | XRF |
| MGO | 0.787848 | | WT% | XRF |
| CAO | 1.545 | | WT% | XRF |
| NA2O | 3.20255 | | WT% | XRF |
| K2O | 4.98288 | | WT% | XRF |
| P2O5 | 0.122781 | | WT% | XRF |
| MNO | 0.0613907 | | WT% | XRF |
| LOI | 2.24 | | WT% | XRF |
| TOTAL | 98.88 | | WT% | XRF |
| RB | 134 | | PPM | XRF |
| SR | 265 | | PPM | XRF |
| Y | 30 | | PPM | XRF |
| ZR | 235 | | PPM | XRF |
| NB | 19 | | PPM | XRF |
| BA | 1200 | | PPM | XRF |
| LA | 41 | | PPM | XRF |
| CE | 89 | | PPM | XRF |
