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Sample 87-114
NavDat sample number 16989 · RHYOLITE
Sample
| Sample ID | 87-114 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.892 |
|---|
| Longitude | -106.903 |
|---|
| Location | First Fork, Willow Ck., 10,270' |
|---|
| 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 | 73.3678 | | WT% | XRF |
| TIO2 | 0.291421 | | WT% | XRF |
| AL2O3 | 14.35 | | WT% | XRF |
| FE2O3 | 1.70833 | | WT% | XRF |
| MGO | 0.733577 | | WT% | XRF |
| CAO | 1.20588 | | WT% | XRF |
| NA2O | 3.21568 | | WT% | XRF |
| K2O | 5.48675 | | WT% | XRF |
| P2O5 | 0.080392 | | WT% | XRF |
| MNO | 0.050245 | | WT% | XRF |
| LOI | 1.07 | | WT% | XRF |
| TOTAL | 100.49 | | WT% | XRF |
| ZN | 157 | | PPM | XRF |
| RB | 128 | | PPM | XRF |
| SR | 28 | | PPM | XRF |
| Y | 191 | | PPM | XRF |
| TH | 534 | | PPM | XRF |
| BA | 59 | | PPM | XRF |
| LA | 74 | | PPM | XRF |
| ND | 1 | | PPM | XRF |
| CU | 12 | | PPM | XRF |
