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  2. Chemical impurity - Wikipedia

    en.wikipedia.org/wiki/Chemical_impurity

    A mixture of water and salt can be separated by distillation, with water as the distillate and salt as the solid residue. This is done by heating the water so it boils and leaves behind the salt. The water is cooled and the gas turns back to a pure liquid. [3] Impurities are usually physically removed from liquids and gases.

  3. Boiling-point elevation - Wikipedia

    en.wikipedia.org/wiki/Boiling-point_elevation

    Original vapor pressure A nonvolatile solute lowers the solvent’s vapor pressure. In terms of chemical potential, at the boiling point, the liquid and gas phases have the same chemical potential. Adding a nonvolatile solute lowers the solvent’s chemical potential in the liquid phase, but the gas phase remains unaffected.

  4. Geology of Texas - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Texas

    Texas has been the leading state in petroleum production since discovery of the Spindletop oil field in 1901. [11] As of October 2017, the State of Texas (if treated as its own nation) is the 7th largest oil producing nation in the world, with production totaling approximately 3.78 million barrels (600 thousand cubic meters ) per day of oil ...

  5. Geology and hydrology of the Wichita Falls, Texas area

    en.wikipedia.org/wiki/Geology_and_hydrology_of...

    In the Permian geologic period, North-Central Texas was a part of the western coastal zone of equatorial Pangea, a super-continental land mass. [1] Nearby uplifts and mountainous regions, such as the Muenster Arch and Red River Uplift, the Wichita, Arbuckle, and Ouachita mountains developed by the end of the Pennsylvanian, [2] providing elevated topography to the north and east during the Permian.

  6. Stylolite - Wikipedia

    en.wikipedia.org/wiki/Stylolite

    In structural geology and diagenesis, pressure solution or pressure dissolution is a deformation mechanism that involves the dissolution of minerals at grain-to-grain contacts into an aqueous pore fluid in areas of relatively high stress and either deposition in regions of relatively low stress within the same rock or their complete removal from the rock within the fluid.

  7. Mineralogy - Wikipedia

    en.wikipedia.org/wiki/Mineralogy

    Mineralogy applies principles of chemistry, geology, physics and materials science to the study of minerals. Mineralogy [n 1] is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts.

  8. Granite - Wikipedia

    en.wikipedia.org/wiki/Granite

    The melting temperature of dry granite at ambient pressure is 1215–1260 °C (2219–2300 °F); [13] it is strongly reduced in the presence of water, down to 650 °C at a few hundred megapascals of pressure. [14] Granite has poor primary permeability overall, but strong secondary permeability through cracks and fractures if they are present.

  9. Novaculite - Wikipedia

    en.wikipedia.org/wiki/Novaculite

    Novaculite forms light grey flatirons in the Marathon Uplift area of Texas. [1] Novaculite, also called Arkansas Stone, is a microcrystalline to cryptocrystalline rock type that consists of silica in the form of chert or flint. It is commonly white to grey or black in color, with a specific gravity that ranges from 2.2 to 2.5.

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