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  2. Bentonite - Wikipedia

    en.wikipedia.org/wiki/Bentonite

    Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.

  3. Bituminous waterproofing - Wikipedia

    en.wikipedia.org/wiki/Bituminous_waterproofing

    Bituminous waterproofing systems are designed to protect residential and commercial buildings. Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous , and waterproof. [ 1 ]

  4. Deicke and Millbrig bentonite layers - Wikipedia

    en.wikipedia.org/wiki/Deicke_and_Millbrig...

    Several different types of bentonite can be found; however, potassium bentonite is the main one associated with the Deicke and Millbrig eruptions. The Deicke and Millbrig K-bentonite layers can be found from Alabama to New York to Minnesota. These K-bentonite layers are up to a meter thick in some locations. [8] Such thickness is unique.

  5. Graneros Shale - Wikipedia

    en.wikipedia.org/wiki/Graneros_Shale

    The X-bentonite is radiometrically dated to 96 or 95 million years ago and it identifiable throughout the Western Interior Seaway marine sediments. At the Graneros type location, which was generally the deepest part of the Western Interior Seaway, the X-bentonite is actually in the lowest beds of the overlying Greenhorn Formation.

  6. Slurry wall - Wikipedia

    en.wikipedia.org/wiki/Slurry_wall

    Slurry walls are typically constructed by starting with a set of concrete guide walls, typically 1 metre (3 ft 3 in) deep and 0.5 metres (1 ft 8 in) thick. The guide walls are constructed near the ground surface to outline the desired slurry trench, and to guide the excavation machinery.

  7. Benton Shale - Wikipedia

    en.wikipedia.org/wiki/Benton_Shale

    This is near Meek and Hayden's type location for the Niobrara, the Niobrara River. On the shores of Lewis and Clark Lake between Yankton and the Niobrara River, high bluffs of near white Fort Hays Limestone are perched above the top of the gray shales that Meek and Hayden named "Fort Benton". However, at their Fort Benton type location for the ...