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  2. 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 ...

  3. 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.

  4. Sedimentary structures - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_structures

    These sedimentary structures are remnants of burrows and tunnels excavated by marine organisms that live on the ocean floor. [1] These organisms churn and burrow through mud and sand a process called bioturbation. [1] They ingest the sediment, digest the organic matter, and leave behind the remnants which fills the burrow. [1] Tidal bundle

  5. Geology of the Capitol Reef area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Capitol...

    Clay, mud, silt, cross-bedded sand, and pebbles were later deposited by meandering streams and in flood plains, forming the locally 100 to 500 foot (30 to 150 m) thick Salt Wash Member. [14] Claystone and mudstone beds of this member erode into gray slopes that can exhibit brown, red, yellow, and green colors.

  6. Drilling fluid - Wikipedia

    en.wikipedia.org/wiki/Drilling_fluid

    The mud then carries the crushed or cut rock ("cuttings") up the annular space ("annulus") between the drill string and the sides of the hole being drilled, up through the surface casing, where it emerges from the top. Cuttings are then filtered out with either a shale shaker or the newer shale conveyor technology, and the mud returns to the ...

  7. 'Extremely dangerous situation': Hollywood Hills hit by major ...

    www.aol.com/news/powerful-storm-triggers-mudflow...

    Mud was already flowing across the Hollywood Hills, damaging homes and forcing residents to flee. In Studio City late Sunday, a debris flow sent mud and other objects flowing down the 11900 block ...

  8. Flaser bed - Wikipedia

    en.wikipedia.org/wiki/Flaser_bed

    Flaser beds are a sedimentary, bi-directional, bedding pattern created when a sediment is exposed to intermittent flows, leading to alternating sand and mud layers. While flaser beds typically form in tidal environments, they can (rarely) form in fluvial conditions - on point bars or in ephemeral streams, or also in deep water environments when ...

  9. Geosynthetic clay liner - Wikipedia

    en.wikipedia.org/wiki/Geosynthetic_clay_liner

    Bentonite clay, adhesives, geotextiles and/or geomembranes: Native soils or blends of soil and bentonite clay Construction: Factory manufactured and then installed in the field: Construction and/or amended in the field Thickness ~ 6 mm: 300 to 900 mm Hydraulic conductivity of clay [6] 10 −10 to 10 −12 m/s: 10 −9 to 10 −10 m/s Speed and ...