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Sample 85L-25B
NavDat sample number 45791 · VITROPHERE
Sample
| Sample ID | 85L-25B |
|---|
| Rock name | VITROPHERE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.902 |
|---|
| Longitude | -106.785 |
|---|
| Location | Halfmoon Pass |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, Nelson Mountain Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.5 |
|
25.9 |
27.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.4 | | WT% | XRF |
| TIO2 | 0.325854 | | WT% | XRF |
| AL2O3 | 14.7958 | | WT% | XRF |
| FE2O3 | 2.25043 | | WT% | XRF |
| MGO | 0.549879 | | WT% | XRF |
| CAO | 1.6089 | | WT% | XRF |
| NA2O | 3.78805 | | WT% | XRF |
| K2O | 5.16275 | | WT% | XRF |
| P2O5 | 0.0916465 | | WT% | XRF |
| MNO | 0.101829 | | WT% | XRF |
| LOI | 1.78 | | WT% | XRF |
| TOTAL | 99.08 | | WT% | XRF |
| ZN | 40 | | PPM | XRF |
| RB | 145 | | PPM | XRF |
| SR | 278 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| ZR | 224 | | PPM | XRF |
| NB | 19 | | PPM | XRF |
| PB | 21 | | PPM | XRF |
