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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. Deicke and Millbrig bentonite layers - Wikipedia

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

    The volcanic eruption that produced the Deicke K-bentonite bed which has been dated to 457.1 ±1.0, which was calculated using a concordant uranium-lead dating zircon fraction. [2] The Deicke and Millbrig eruptions have a minimal estimation of 600,000 km 2 (230,000 sq mi) covered and at least 1,122 km 3 (269 cu mi) of pre-compaction bentonite ...

  4. Possum belly - Wikipedia

    en.wikipedia.org/wiki/Possum_belly

    Possum bellies are generally used when bentonite or another form of "mud" is being used. During the use of freshwater or brine water , the flow line generally either goes straight to the reserve pit, or into the steel pits .

  5. Tioga Bentonites - Wikipedia

    en.wikipedia.org/wiki/Tioga_Bentonites

    The Tioga Bentonites are a series of ash bed layers occurring in three Sedimentary basins in the eastern and midwestern United States. The primary basin they are found in is the Appalachian Basin, as well as the Illinois Basin and the Michigan Basin. Due to an unconformity these ash beds are not present in the southern Appalachians. [1]

  6. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  7. Drilling fluid - Wikipedia

    en.wikipedia.org/wiki/Drilling_fluid

    Large sand grains in a slow-moving stream settle to the stream bed, while small sand grains in a fast-moving stream are carried along with the water. The mud viscosity and gel strength are important properties, as cuttings will settle to the bottom of the well if the viscosity is too low. Fly ash absorbent for fluids in mud pits

  8. Bed (geology) - Wikipedia

    en.wikipedia.org/wiki/Bed_(geology)

    Beds of lava flows exposed on the island of La Gomera. Bed thickness is a basic and important characteristic of beds. Besides mapping stratigraphic units and interpreting sedimentary facies, the analysis of bed thickness can be used to recognize breaks in sedimentation, cyclic sedimentation patterns, and gradual environmental changes. [10]

  9. Bibb v. Navajo Freight Lines, Inc. - Wikipedia

    en.wikipedia.org/wiki/Bibb_v._Navajo_Freight...

    The state of Illinois enacted a statute requiring curved mud guards, instead of straight mudflaps on trucks driven in Illinois. Although there was no federal regulation requiring mudflaps or mudguards, Arkansas required straight mudflaps, which were legal in at least 45 states. [1]