Sample DM137
NavDat sample number 38189 · TRACHYTE
Sample
| Sample ID | DM137 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.675 |
|---|---|
| Longitude | -104.017 |
| Location | Mount Locke Formation, above DM 136 in roadcut on Observatory Road |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35.4 | 35.3 | 35.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.77 | WT% | UNKNOWN | |
| TIO2 | 0.56 | WT% | UNKNOWN | |
| AL2O3 | 16.08 | WT% | UNKNOWN | |
| FE2O3 | 0.56 | WT% | UNKNOWN | |
| FEO | 2.32 | WT% | UNKNOWN | |
| MNO | 0.06 | WT% | UNKNOWN | |
| MGO | 0.15 | WT% | UNKNOWN | |
| CAO | 1.01 | WT% | UNKNOWN | |
| NA2O | 4.95 | WT% | UNKNOWN | |
| K2O | 5.83 | WT% | UNKNOWN | |
| P2O5 | 0.14 | WT% | UNKNOWN | |
| TOTAL | 98.43 | WT% | UNKNOWN | |
| SC | 1.32 | PPM | UNKNOWN | |
| ZN | 96.5 | PPM | UNKNOWN | |
| RB | 190 | PPM | UNKNOWN | |
| SR | 131 | PPM | UNKNOWN | |
| Y | 125 | PPM | UNKNOWN | |
| ZR | 830 | PPM | UNKNOWN | |
| NB | 92.6 | PPM | UNKNOWN | |
| CS | 2.24 | PPM | UNKNOWN | |
| BA | 553 | PPM | UNKNOWN | |
| LA | 107 | PPM | UNKNOWN | |
| CE | 199 | PPM | UNKNOWN | |
| ND | 74.3 | PPM | UNKNOWN | |
| SM | 13.32 | PPM | UNKNOWN | |
| EU | 1.34 | PPM | UNKNOWN | |
| TB | 2.61 | PPM | UNKNOWN | |
| YB | 8.3 | PPM | UNKNOWN | |
| LU | 1.15 | PPM | UNKNOWN | |
| HF | 24.36 | PPM | UNKNOWN | |
| TA | 6.4 | PPM | UNKNOWN | |
| TH | 32.47 | PPM | UNKNOWN | |
| U | 9.98 | PPM | UNKNOWN | |
| PB206_PB204 | 17.86 | UNKNOWN | ||
| PB207_PB204 | 15.47 | UNKNOWN | ||
| PB208_PB204 | 37.75 | UNKNOWN |