← Search
Sample 87-116
NavDat sample number 16991 · RHYOLITE
Sample
| Sample ID | 87-116 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.893 |
|---|
| Longitude | -106.906 |
|---|
| Location | First Fork, Willow Ck., 10005' |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.7789 | | WT% | XRF |
| TIO2 | 0.30345 | | WT% | XRF |
| AL2O3 | 14.4139 | | WT% | XRF |
| FE2O3 | 1.72967 | | WT% | XRF |
| MGO | 0.799086 | | WT% | XRF |
| CAO | 1.2138 | | WT% | XRF |
| NA2O | 3.27726 | | WT% | XRF |
| K2O | 5.47222 | | WT% | XRF |
| P2O5 | 0.10115 | | WT% | XRF |
| MNO | 0.0505751 | | WT% | XRF |
| LOI | 1.24 | | WT% | XRF |
| TOTAL | 101.14 | | WT% | XRF |
| ZN | 154 | | PPM | XRF |
| RB | 125 | | PPM | XRF |
| SR | 25 | | PPM | XRF |
| Y | 187 | | PPM | XRF |
| TH | 517 | | PPM | XRF |
| BA | 56 | | PPM | XRF |
| LA | 76 | | PPM | XRF |
| ND | 2 | | PPM | XRF |
| CU | 12 | | PPM | XRF |
