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Sample 85L-25E
NavDat sample number 45793
Sample
| Sample ID | 85L-25E |
|---|
| 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 | 70.71 | | WT% | XRF |
| TIO2 | 0.345 | | WT% | XRF |
| AL2O3 | 15.5145 | | WT% | XRF |
| FE2O3 | 2.28955 | | WT% | XRF |
| MGO | 1.07682 | | WT% | XRF |
| CAO | 1.80864 | | WT% | XRF |
| NA2O | 3.105 | | WT% | XRF |
| K2O | 5.01818 | | WT% | XRF |
| P2O5 | 0.0836364 | | WT% | XRF |
| MNO | 0.0940909 | | WT% | XRF |
| LOI | 4.35 | | WT% | XRF |
| TOTAL | 100.05 | | WT% | XRF |
| ZN | 42 | | PPM | XRF |
| RB | 153 | | PPM | XRF |
| SR | 257 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 231 | | PPM | XRF |
| NB | 24 | | PPM | XRF |
| PB | 24 | | PPM | XRF |
