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Sample 94L-18B
NavDat sample number 45794
Sample
| Sample ID | 94L-18B |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.939 |
|---|
| Longitude | -107.067 |
|---|
| Location | Snow Mesa |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, Nelson Mountain Tuff, upper partly welded |
|---|
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 | 64.79 | | WT% | XRF |
| TIO2 | 0.624727 | | WT% | XRF |
| AL2O3 | 16.122 | | WT% | XRF |
| FE2O3 | 4.84667 | | WT% | XRF |
| MGO | 1.17892 | | WT% | XRF |
| CAO | 3.63752 | | WT% | XRF |
| NA2O | 3.72821 | | WT% | XRF |
| K2O | 3.83905 | | WT% | XRF |
| P2O5 | 0.292211 | | WT% | XRF |
| MNO | 0.0604575 | | WT% | XRF |
| LOI | 0.75 | | WT% | XRF |
| TOTAL | 99.12 | | WT% | XRF |
| ZN | 47 | | PPM | XRF |
| RB | 102 | | PPM | XRF |
| SR | 600 | | PPM | XRF |
| Y | 24 | | PPM | XRF |
| ZR | 184 | | PPM | XRF |
| NB | 17 | | PPM | XRF |
| BA | 1000 | | PPM | XRF |
| LA | 30 | | PPM | XRF |
| CE | 83 | | PPM | XRF |
| CU | 20 | | PPM | XRF |
| CR | -20 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
