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Sample DS88-029B-pum
NavDat sample number 45836 · RHYOLITE
Sample
| Sample ID | DS88-029B-pum |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.007 |
|---|
| Longitude | -106.894 |
|---|
| Location | Stewart Cr., 10,670' |
|---|
| 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 | 70.3 | | WT% | XRF |
| TIO2 | 0.351519 | | WT% | XRF |
| AL2O3 | 14.4743 | | WT% | XRF |
| FE2O3 | 2.54334 | | WT% | XRF |
| MGO | 0.785748 | | WT% | XRF |
| CAO | 2.0264 | | WT% | XRF |
| NA2O | 2.98791 | | WT% | XRF |
| K2O | 5.46922 | | WT% | XRF |
| P2O5 | 0.144743 | | WT% | XRF |
| MNO | 0.0930491 | | WT% | XRF |
| LOI | 3.25 | | WT% | XRF |
| TOTAL | 99.18 | | WT% | XRF |
| ZN | 64.5 | | PPM | XRF |
| RB | 140.5 | | PPM | XRF |
| SR | 291.5 | | PPM | XRF |
| Y | 27.5 | | PPM | XRF |
| ZR | 181 | | PPM | XRF |
| NB | 20 | | PPM | XRF |
| PB | 31 | | PPM | XRF |
| TH | 15.5 | | PPM | XRF |
| BA | 684 | | PPM | XRF |
| LA | 38 | | PPM | XRF |
| CE | 75 | | PPM | XRF |
| ND | 35 | | PPM | XRF |
