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  2. List of types of limestone - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_limestone

    Carboniferous LimestoneLimestone deposited during the Dinantian Epoch of the Carboniferous Period; Coquina – Sedimentary rock that is composed mostly of fragments of shells; Coral rag – Limestone composed of ancient coral reef material; Chalk – Soft carbonate rock; Fossiliferous limestoneLimestone containing fossils

  3. Limestone - Wikipedia

    en.wikipedia.org/wiki/Limestone

    Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO 3. Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place ...

  4. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Lignite – Soft, brown, combustible, sedimentary rock; Limestone – Type of sedimentary rock; Marl – Lime-rich mud or mudstone which contains variable amounts of clays and silt; Mudstone – Fine grained sedimentary rock whose original constituents were clays or muds; Oil shale – Organic-rich fine-grained sedimentary rock containing kerogen

  5. Carbonate rock - Wikipedia

    en.wikipedia.org/wiki/Carbonate_rock

    Carbonate rocks are a class of sedimentary rocks composed primarily of carbonate minerals. The two major types are limestone , which is composed of calcite or aragonite (different crystal forms of CaCO 3 ), and dolomite rock (also known as dolostone), which is composed of dolomite (CaMg(CO 3 ) 2 ).

  6. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    Marble is a rock resulting from metamorphism of sedimentary carbonate rocks, most commonly limestone or dolomite. Metamorphism causes variable re-crystallization of the original carbonate mineral grains. The resulting marble rock is typically composed of an interlocking mosaic of carbonate crystals.

  7. Tufa - Wikipedia

    en.wikipedia.org/wiki/Tufa

    Tufa columns at Mono Lake, California. Tufa is a variety of limestone formed when carbonate minerals precipitate out of water in unheated rivers or lakes. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits, which are known as travertine or thermogene travertine.

  8. Lime (material) - Wikipedia

    en.wikipedia.org/wiki/Lime_(material)

    In the lime industry, limestone is a general term for rocks that contain 80% or more of calcium or magnesium carbonate, including marble, chalk, oolite, and marl.Further classification is done by composition as high calcium, argillaceous (clayey), silicious, conglomerate, magnesian, dolomite, and other limestones. [5]

  9. Mudstone - Wikipedia

    en.wikipedia.org/wiki/Mudstone

    Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from shale by its lack of fissility. [1] [2] The term mudstone is also used to describe carbonate rocks (limestone or dolomite) that are composed predominantly of carbonate mud. [3]

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