← Search
Sample 87-222
NavDat sample number 16946 · TUFF
Sample
| Sample ID | 87-222 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.865 |
|---|
| Longitude | -106.801 |
|---|
| Location | Antelope Park, top of outcrop |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.1 |
|
27 |
27.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.817 | | WT% | XRF |
| TIO2 | 0.411435 | | WT% | XRF |
| AL2O3 | 15.3435 | | WT% | XRF |
| FE2O3 | 1.95683 | | WT% | XRF |
| MGO | 0.712485 | | WT% | XRF |
| CAO | 1.41494 | | WT% | XRF |
| NA2O | 4.11435 | | WT% | XRF |
| K2O | 5.36873 | | WT% | XRF |
| P2O5 | 0.110385 | | WT% | XRF |
| MNO | 0.090315 | | WT% | XRF |
| LOI | 0.97 | | WT% | XRF |
| TOTAL | 100.34 | | WT% | XRF |
| ZN | 48 | | PPM | XRF |
| RB | 153 | | PPM | XRF |
| SR | 234 | | PPM | XRF |
| Y | 32 | | PPM | XRF |
| ZR | 267 | | PPM | XRF |
| BA | 1132 | | PPM | XRF |
| LA | 61 | | PPM | XRF |
| CE | 83 | | PPM | XRF |
| CU | 5 | | PPM | XRF |
| V | 20 | | PPM | XRF |
