← Search
Sample 87-164
NavDat sample number 16978 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-164 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.734 |
|---|
| Longitude | -107.066 |
|---|
| Location | Antelope Park, base of cliffs at 9210' |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.2 |
|
27.1 |
27.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.1877 | | WT% | XRF |
| TIO2 | 0.700834 | | WT% | XRF |
| AL2O3 | 17.531 | | WT% | XRF |
| FE2O3 | 3.78857 | | WT% | XRF |
| MGO | 2.0314 | | WT% | XRF |
| CAO | 3.79872 | | WT% | XRF |
| NA2O | 3.80888 | | WT% | XRF |
| K2O | 4.3472 | | WT% | XRF |
| P2O5 | 0.294553 | | WT% | XRF |
| MNO | 0.0710991 | | WT% | XRF |
| LOI | 1.11 | | WT% | XRF |
| TOTAL | 101.56 | | WT% | XRF |
| ZN | 63 | | PPM | XRF |
| RB | 117 | | PPM | XRF |
| SR | 560 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 249 | | PPM | XRF |
| BA | 1238 | | PPM | XRF |
| LA | 51 | | PPM | XRF |
| CE | 73 | | PPM | XRF |
| CU | 16 | | PPM | XRF |
| V | 55 | | PPM | XRF |
