← Search
Sample 87-223
NavDat sample number 16947 · TUFF
Sample
| Sample ID | 87-223 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.865 |
|---|
| Longitude | -106.801 |
|---|
| Location | Antelope Park, uppermost |
|---|
| 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 | 68.9269 | | WT% | XRF |
| TIO2 | 0.40004 | | WT% | XRF |
| AL2O3 | 16.5517 | | WT% | XRF |
| FE2O3 | 2.0302 | | WT% | XRF |
| MGO | 0.680068 | | WT% | XRF |
| CAO | 1.77018 | | WT% | XRF |
| NA2O | 4.32043 | | WT% | XRF |
| K2O | 5.12051 | | WT% | XRF |
| P2O5 | 0.140014 | | WT% | XRF |
| MNO | 0.060006 | | WT% | XRF |
| LOI | 0.84 | | WT% | XRF |
| TOTAL | 100 | | WT% | XRF |
| ZN | 48 | | PPM | XRF |
| RB | 134 | | PPM | XRF |
| SR | 366 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 276 | | PPM | XRF |
| BA | 1446 | | PPM | XRF |
| LA | 53 | | PPM | XRF |
| CE | 81 | | PPM | XRF |
| CU | 2 | | PPM | XRF |
| V | 24 | | PPM | XRF |
