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Sample 87-113
NavDat sample number 16988 · RHYOLITE
Sample
| Sample ID | 87-113 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.894 |
|---|
| Longitude | -106.904 |
|---|
| Location | First Fork, Willow Ck. |
|---|
| 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 | 74.088 | | WT% | XRF |
| TIO2 | 0.261404 | | WT% | XRF |
| AL2O3 | 14.2767 | | WT% | XRF |
| FE2O3 | 1.46788 | | WT% | XRF |
| MGO | 0.643456 | | WT% | XRF |
| CAO | 1.01545 | | WT% | XRF |
| NA2O | 3.07653 | | WT% | XRF |
| K2O | 5.59003 | | WT% | XRF |
| P2O5 | 0.060324 | | WT% | XRF |
| MNO | 0.05027 | | WT% | XRF |
| LOI | 1.29 | | WT% | XRF |
| TOTAL | 100.53 | | WT% | XRF |
| ZN | 163 | | PPM | XRF |
| RB | 113 | | PPM | XRF |
| SR | 28 | | PPM | XRF |
| Y | 195 | | PPM | XRF |
| TH | 612 | | PPM | XRF |
| BA | 57 | | PPM | XRF |
| LA | 78 | | PPM | XRF |
| ND | 1 | | PPM | XRF |
| CU | 8 | | PPM | XRF |
