← Search
Sample 85L-13B
NavDat sample number 45818
Sample
| Sample ID | 85L-13B |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.971 |
|---|
| Longitude | -106.94 |
|---|
| Location | Head Whited Cr, W side |
|---|
| State / province | COLORADO |
|---|
| Formation | Nelson Mountain Caldera cycle, Nelson Mountain Tuff, Equity phase, intracaldera |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.75 |
|
26 |
27.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.52 | | WT% | XRF |
| TIO2 | 0.506344 | | WT% | XRF |
| AL2O3 | 15.2916 | | WT% | XRF |
| FE2O3 | 3.73682 | | WT% | XRF |
| MGO | 0.830404 | | WT% | XRF |
| CAO | 2.61273 | | WT% | XRF |
| NA2O | 3.6153 | | WT% | XRF |
| K2O | 4.42545 | | WT% | XRF |
| P2O5 | 0.182284 | | WT% | XRF |
| MNO | 0.0506344 | | WT% | XRF |
| LOI | 1.25 | | WT% | XRF |
| TOTAL | 99.77 | | WT% | XRF |
| ZN | 82 | | PPM | XRF |
| RB | 150 | | PPM | XRF |
| SR | 433 | | PPM | XRF |
| Y | 31 | | PPM | XRF |
| ZR | 199 | | PPM | XRF |
| NB | 26 | | PPM | XRF |
| PB | 39 | | PPM | XRF |
| CU | 42 | | PPM | XRF |
| NI | 93 | | PPM | XRF |
