Sample DM140
NavDat sample number 38186 · TRACHYTE
Sample
| Sample ID | DM140 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.8467 |
|---|---|
| Longitude | -103.995 |
| Location | Fox Canyon Formation, eastern slope in Madera Canyon, Davis Mtns |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.81 | WT% | UNKNOWN | |
| TIO2 | 0.81 | WT% | UNKNOWN | |
| AL2O3 | 15.63 | WT% | UNKNOWN | |
| FE2O3 | 0.91 | WT% | UNKNOWN | |
| FEO | 3.74 | WT% | UNKNOWN | |
| MNO | 0.07 | WT% | UNKNOWN | |
| MGO | 1.12 | WT% | UNKNOWN | |
| CAO | 2.37 | WT% | UNKNOWN | |
| NA2O | 3.81 | WT% | UNKNOWN | |
| K2O | 4.91 | WT% | UNKNOWN | |
| P2O5 | 0.37 | WT% | UNKNOWN | |
| TOTAL | 98.55 | WT% | UNKNOWN | |
| SC | 10.42 | PPM | UNKNOWN | |
| RB | 95.7 | PPM | UNKNOWN | |
| SR | 293 | PPM | UNKNOWN | |
| ZR | 629 | PPM | UNKNOWN | |
| NB | 37.9 | PPM | UNKNOWN | |
| CS | 1.18 | PPM | UNKNOWN | |
| BA | 1521 | PPM | UNKNOWN | |
| LA | 77 | PPM | UNKNOWN | |
| CE | 137 | PPM | UNKNOWN | |
| ND | 58.1 | PPM | UNKNOWN | |
| SM | 11.82 | PPM | UNKNOWN | |
| EU | 3.33 | PPM | UNKNOWN | |
| TB | 2.31 | PPM | UNKNOWN | |
| YB | 6.23 | PPM | UNKNOWN | |
| LU | 0.86 | PPM | UNKNOWN | |
| HF | 15.26 | PPM | UNKNOWN | |
| TA | 4.51 | PPM | UNKNOWN | |
| TH | 9.95 | PPM | UNKNOWN | |
| U | 4.04 | PPM | UNKNOWN |