Sample R.39
NavDat sample number 33446 · TRACHYBASALT
Sample
| Sample ID | R.39 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.83 |
|---|---|
| Longitude | -105.24 |
| Location | Ralston Sill |
| State / province | COLORADO |
| Formation | Ralston Sill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 63.5 | 58.5 | 68.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.5 | WT% | UNKNOWN | |
| AL2O3 | 13.8 | WT% | UNKNOWN | |
| TIO2 | 1 | WT% | UNKNOWN | |
| FE2O3 | 13 | WT% | UNKNOWN | |
| MNO | 0.26 | WT% | UNKNOWN | |
| CAO | 9.7 | WT% | UNKNOWN | |
| MGO | 3.6 | WT% | UNKNOWN | |
| K2O | 5.2 | WT% | UNKNOWN | |
| NA2O | 1.8 | WT% | UNKNOWN | |
| P2O5 | 0.8 | WT% | UNKNOWN | |
| TOTAL | 100 | WT% | UNKNOWN | |
| RB | 151 | PPM | XRF | |
| SR | 1040 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 331 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| BA | 1060 | PPM | XRF | |
| CO | 215 | PPM | XRF | |
| NI | 23 | PPM | XRF | |
| CU | 55 | PPM | XRF | |
| ZN | 139 | PPM | XRF |