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  2. List of fossiliferous stratigraphic units in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_fossiliferous_str...

    This article contains a list of fossil-bearing stratigraphic units in the state of Texas, U.S. Sites. Group or Formation Period Notes Admiral Formation: Permian:

  3. 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 ...

  4. Permian Basin (North America) - Wikipedia

    en.wikipedia.org/wiki/Permian_Basin_(North_America)

    The Texas cities of Midland, Odessa and San Angelo serve as headquarters for some of the oil production activities in the basin. The Permian Basin is also a major source of potassium salts . Potash mines are located in Lea and Eddy counties, New Mexico, and are operated by the room and pillar method.

  5. Red Beds of Texas and Oklahoma - Wikipedia

    en.wikipedia.org/wiki/Red_Beds_of_Texas_and_Oklahoma

    The Texas and Oklahoma red beds are sedimentary rocks, mostly consisting of sandstone and red mudstone. [8] The red color of the rocks is due to the presence of ferric oxide . [ 9 ] The rocks were deposited during the early Permian in a warm, moist climate, [ 10 ] with seasonal periods of dry conditions.

  6. Geography of Texas - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Texas

    Oil is found in the Cretaceous sediments in the east, the Permian sediments in the west, and along the Gulf coast and out on the Texas continental shelf. A few exposures of Precambrian igneous and metamorphic rocks are found in the central and western parts of the state, and Oligocene volcanic rocks are found in far west Texas, in the Big Bend ...

  7. Paleontology in Texas - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Texas

    Acrocanthosaurus.. Archaeologist Jack. T. Hughes has found evidence that the paleo-Indians of Texas collected fossils. [20] After the establishment of paleontology as a formal science, in 1878, professor Jacob Boll made the first scientifically documented Texan fossil finds in Archer and Wichita counties while collecting fossils on behalf of Edward Drinker Cope.

  8. Geode - Wikipedia

    en.wikipedia.org/wiki/Geode

    A geode (/ ˈ dʒ iː. oʊ d /; from Ancient Greek γεώδης (geṓdēs) 'earthlike') is a geological secondary formation within sedimentary and volcanic rocks. Geodes are hollow, vaguely spherical rocks, in which masses of mineral matter (which may include crystals) are secluded.

  9. Glen Rose Formation - Wikipedia

    en.wikipedia.org/wiki/Glen_Rose_Formation

    Glen Rose Formation stratigraphic column in Texas. The Glen Rose Formation is a shallow marine to shoreline geological formation from the lower Cretaceous period exposed over a large area from South Central to North Central Texas.

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