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  2. List of countries by bentonite production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Bentonite usually forms from weathering of volcanic ash, most often in the presence of water. However, the term bentonite, as well as a similar clay called tonstein, have been used for clay beds of uncertain origin. For industrial purposes, two main classes of bentonite exist: sodium bentonite and calcium 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. Fuller's earth - Wikipedia

    en.wikipedia.org/wiki/Fuller's_earth

    A sample of fuller's earth in its raw state from Pakistan. Fuller's earth is a term for various clays used as an absorbent, filter, or bleaching agent. Products labeled fuller's earth typically consist of palygorskite (also known as attapulgite) or bentonite. [1]

  5. Drilling fluid - Wikipedia

    en.wikipedia.org/wiki/Drilling_fluid

    Water-based drilling fluid has very little toxicity, made from water, bentonite and baryte, all clay from mining operations, usually found in Wyoming and in Lunde, Telemark. There are specific chemicals that can be used in water-based drilling fluids that alone can be corrosive and toxic, such as hydrochloric acid.

  6. Rancho Palos Verdes landslide is creating a new beach. 'It's ...

    www.aol.com/news/rancho-palos-verdes-landslide...

    The rapidly accelerating complex of landslides in Rancho Palos Verdes has created an unforeseen outcome: a new coastline as the seafloor is pushed upward.

  7. Smectite - Wikipedia

    en.wikipedia.org/wiki/Smectite

    The term smectite is commonly used in Europe and in the UK while the term montmorillonite is preferred in North America, but both terms are equivalent and can be used interchangeably. For industrial and commercial applications, the term bentonite is mostly used in place of smectite or montmorillonite.

  8. 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.

  9. Medicinal clay - Wikipedia

    en.wikipedia.org/wiki/Medicinal_clay

    Montmorillonite is the main constituent of bentonite and Heilerde loess. A medical preparation is called diosmectite. Palygorskite or attapulgite is a very absorbent clay, somewhat similar to bentonite. When used in medicine, it physically binds to acids and toxic substances in the stomach and digestive tract.

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