Sample U94-R110
NavDat sample number 42677 · TRACHYTE
Sample
| Sample ID | U94-R110 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.42 |
|---|---|
| Longitude | -104.025 |
| Location | Leyva Canyon Member, Rawls Formation |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.21 | 27.09 | 27.33 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.48 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| AL2O3 | 14.94 | WT% | XRF | |
| FEOT | 3.83 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| MGO | 0.6 | WT% | XRF | |
| CAO | 0.75 | WT% | XRF | |
| NA2O | 5.92 | WT% | XRF | |
| K2O | 5.34 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| TOTAL | 101.48 | WT% | XRF | |
| SC | 7.15 | PPM | INAA | |
| ZN | 145 | PPM | INAA | |
| RB | 178 | PPM | XRF | |
| SR | 7 | PPM | XRF | |
| Y | 76 | PPM | XRF | |
| ZR | 1070 | PPM | XRF | |
| NB | 148 | PPM | XRF | |
| CS | 1.94 | PPM | INAA | |
| LA | 170 | PPM | INAA | |
| CE | 319 | PPM | INAA | |
| ND | 133 | PPM | INAA | |
| SM | 18.9 | PPM | INAA | |
| EU | 0.794 | PPM | INAA | |
| TB | 2.16 | PPM | INAA | |
| YB | 8.38 | PPM | INAA | |
| LU | 1.18 | PPM | INAA | |
| HF | 26 | PPM | INAA | |
| TA | 8.56 | PPM | INAA | |
| TH | 22.8 | PPM | INAA | |
| U | 2.53 | PPM | INAA |
References
- White, John Charles; Urbanczyk, Kevin M (2001) Origin of a silica-oversaturated quartz trachyte-rhyolite suite through combined crustal melting, magma mixing, and fractional crystallization; the Leyva Canyon Volcano, Trans-Pecos magmatic province, Texas. Journal of Volcanology and Geothermal Research. 111; 1-4, Pages 155-182. 2001. . doi:10.1016/S0377-0273(01)00225-6