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Sample 85L-25D
NavDat sample number 45792
Sample
| Sample ID | 85L-25D |
|---|
| Rock type | VOLCANIC |
|---|
| 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 | 70.43 | | WT% | XRF |
| TIO2 | 0.348574 | | WT% | XRF |
| AL2O3 | 15.5833 | | WT% | XRF |
| FE2O3 | 2.28624 | | WT% | XRF |
| MGO | 0.779166 | | WT% | XRF |
| CAO | 1.75312 | | WT% | XRF |
| NA2O | 3.54726 | | WT% | XRF |
| K2O | 4.6955 | | WT% | XRF |
| P2O5 | 0.0820175 | | WT% | XRF |
| MNO | 0.0922697 | | WT% | XRF |
| LOI | 2.45 | | WT% | XRF |
| TOTAL | 99.6 | | WT% | XRF |
| ZN | 66 | | PPM | XRF |
| RB | 134 | | PPM | XRF |
| SR | 298 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 225 | | PPM | XRF |
| NB | 21 | | PPM | XRF |
| PB | 40 | | PPM | XRF |
