Sample DM111
NavDat sample number 38198 · RHYOLITE
Sample
| Sample ID | DM111 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.65 |
|---|---|
| Longitude | -103.807 |
| Location | upper Star Mountain Formation, roadcut on rte 17 |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36.8 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.46 | WT% | UNKNOWN | |
| TIO2 | 0.44 | WT% | UNKNOWN | |
| AL2O3 | 13.81 | WT% | UNKNOWN | |
| FE2O3 | 0.92 | WT% | UNKNOWN | |
| FEO | 3.79 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.41 | WT% | UNKNOWN | |
| CAO | 0.7 | WT% | UNKNOWN | |
| NA2O | 4.11 | WT% | UNKNOWN | |
| K2O | 5.5 | WT% | UNKNOWN | |
| P2O5 | 0.16 | WT% | UNKNOWN | |
| TOTAL | 99.34 | WT% | UNKNOWN | |
| SC | 5.39 | PPM | UNKNOWN | |
| CR | 2.47 | PPM | UNKNOWN | |
| ZN | 187 | PPM | UNKNOWN | |
| RB | 174 | PPM | UNKNOWN | |
| SR | 43.3 | PPM | UNKNOWN | |
| Y | 144 | PPM | UNKNOWN | |
| ZR | 998 | PPM | UNKNOWN | |
| NB | 58.4 | PPM | UNKNOWN | |
| CS | 2.25 | PPM | UNKNOWN | |
| BA | 97 | PPM | UNKNOWN | |
| LA | 135 | PPM | UNKNOWN | |
| CE | 241 | PPM | UNKNOWN | |
| ND | 129 | PPM | UNKNOWN | |
| SM | 23.72 | PPM | UNKNOWN | |
| EU | 2.03 | PPM | UNKNOWN | |
| TB | 3.97 | PPM | UNKNOWN | |
| YB | 14.1 | PPM | UNKNOWN | |
| LU | 1.92 | PPM | UNKNOWN | |
| HF | 27.72 | PPM | UNKNOWN | |
| TA | 5.21 | PPM | UNKNOWN | |
| TH | 18.55 | PPM | UNKNOWN | |
| U | 3.21 | PPM | UNKNOWN |