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Sample 85L-25A
NavDat sample number 45790
Sample
| Sample ID | 85L-25A |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.903 |
|---|
| Longitude | -106.786 |
|---|
| 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 | 70.7 | | WT% | XRF |
| TIO2 | 0.341646 | | WT% | XRF |
| AL2O3 | 15.0927 | | WT% | XRF |
| FE2O3 | 2.19055 | | WT% | XRF |
| MGO | 0.552662 | | WT% | XRF |
| CAO | 1.58765 | | WT% | XRF |
| NA2O | 4.18014 | | WT% | XRF |
| K2O | 4.82324 | | WT% | XRF |
| P2O5 | 0.0803872 | | WT% | XRF |
| MNO | 0.0904357 | | WT% | XRF |
| LOI | 0.48 | | WT% | XRF |
| TOTAL | 99.64 | | WT% | XRF |
| ZN | 33 | | PPM | XRF |
| RB | 133 | | PPM | XRF |
| SR | 290 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 268 | | PPM | XRF |
| NB | 20 | | PPM | XRF |
| PB | 38 | | PPM | XRF |
