Sample RD 845-64
NavDat sample number 64255 · TUFF
Sample
| Sample ID | RD 845-64 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyodacite tuff breccia |
Location
| Latitude | 38.2083 |
|---|---|
| Longitude | -107.596 |
| Location | north of Spruce Ridge |
| State / province | COLORADO |
| Formation | Cimarron Ridge Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 86.5 | 82.2 | 90.8 |
Analyses
WR
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.9 | WT% | RAPID_ROCK | |
| AL2O3 | 15.3 | WT% | RAPID_ROCK | |
| FE2O3 | 1.4 | WT% | RAPID_ROCK | |
| FEO | 3.5 | WT% | RAPID_ROCK | |
| MGO | 1.7 | WT% | RAPID_ROCK | |
| CAO | 3.8 | WT% | RAPID_ROCK | |
| NA2O | 3.5 | WT% | RAPID_ROCK | |
| K2O | 2.1 | WT% | RAPID_ROCK | |
| H2O_MINUS | 0.45 | WT% | RAPID_ROCK | |
| H2O_PLUS | 0.65 | WT% | RAPID_ROCK | |
| TIO2 | 0.4 | WT% | RAPID_ROCK | |
| P2O5 | 0.2 | WT% | RAPID_ROCK | |
| MNO | 0.1 | WT% | RAPID_ROCK | |
| CO2 | 0 | WT% | RAPID_ROCK |