Sample W95-3
NavDat sample number 42680 · TRACHYTE
Sample
| Sample ID | W95-3 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.405 |
|---|---|
| Longitude | -104.063 |
| 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 | 68.52 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| AL2O3 | 14.83 | WT% | XRF | |
| FEOT | 3.72 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 0.34 | WT% | XRF | |
| CAO | 1.42 | WT% | XRF | |
| NA2O | 5.46 | WT% | XRF | |
| K2O | 5.33 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| TOTAL | 100.21 | WT% | XRF | |
| SC | 6.97 | PPM | INAA | |
| ZN | 147 | PPM | INAA | |
| RB | 170 | PPM | XRF | |
| SR | 13 | PPM | XRF | |
| Y | 70 | PPM | XRF | |
| ZR | 1059 | PPM | XRF | |
| NB | 150 | PPM | XRF | |
| CS | 1.21 | PPM | INAA | |
| LA | 161 | PPM | INAA | |
| CE | 320 | PPM | INAA | |
| ND | 132 | PPM | INAA | |
| SM | 18 | PPM | INAA | |
| EU | 0.768 | PPM | INAA | |
| TB | 2.13 | PPM | INAA | |
| YB | 7.6 | PPM | INAA | |
| LU | 0.971 | PPM | INAA | |
| HF | 24.8 | PPM | INAA | |
| TA | 8.37 | PPM | INAA | |
| TH | 22.5 | PPM | INAA | |
| U | 1.86 | 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