Sample 72-159
NavDat sample number 5075 · TRACHYTE
Sample
| Sample ID | 72-159 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.2667 |
|---|---|
| Longitude | -103.283 |
| Location | Casa Grande lava dome, BBNP |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.9 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.5 | WT% | UNKNOWN | |
| TIO2 | 0.29 | WT% | UNKNOWN | |
| AL2O3 | 13.81 | WT% | UNKNOWN | |
| FE2O3 | 5.49 | WT% | UNKNOWN | |
| MNO | 0.08 | WT% | UNKNOWN | |
| MGO | 0.01 | WT% | UNKNOWN | |
| CAO | 0.52 | WT% | UNKNOWN | |
| NA2O | 6.49 | WT% | UNKNOWN | |
| K2O | 4.9 | WT% | UNKNOWN | |
| P2O5 | 0.02 | WT% | UNKNOWN | |
| TOTAL | 97.19 | WT% | UNKNOWN | |
| RB | 365 | PPM | UNKNOWN | |
| SR | 6 | PPM | UNKNOWN | |
| Y | 142 | PPM | UNKNOWN | |
| NB | 243 | PPM | UNKNOWN | |
| TH | 52 | PPM | UNKNOWN |