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Sample 85L-11
NavDat sample number 45821 · VITROPHERE
Sample
| Sample ID | 85L-11 |
|---|
| Rock name | VITROPHERE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.963 |
|---|
| Longitude | -106.888 |
|---|
| Location | E. Willow Cr. |
|---|
| 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 | 66.49 | | WT% | XRF |
| TIO2 | 0.531468 | | WT% | XRF |
| AL2O3 | 15.9032 | | WT% | XRF |
| FE2O3 | 4.14954 | | WT% | XRF |
| MGO | 1.36955 | | WT% | XRF |
| CAO | 3.36256 | | WT% | XRF |
| NA2O | 3.55675 | | WT% | XRF |
| K2O | 4.41527 | | WT% | XRF |
| P2O5 | 0.224852 | | WT% | XRF |
| MNO | 0.0919849 | | WT% | XRF |
| LOI | 2.16 | | WT% | XRF |
| TOTAL | 100.1 | | WT% | XRF |
| ZN | 58 | | PPM | XRF |
| RB | 130 | | PPM | XRF |
| SR | 511 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 208 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| PB | 33 | | PPM | XRF |
