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  2. Limestone - Wikipedia

    en.wikipedia.org/wiki/Limestone

    Limestone is commonly white to gray in color. Limestone that is unusually rich in organic matter can be almost black in color, while traces of iron or manganese can give limestone an off-white to yellow to red color. The density of limestone depends on its porosity, which varies from 0.1% for the densest limestone to 40% for chalk.

  3. List of types of limestone - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_limestone

    Lithographic limestone – Type of limestone with hard fine grain. Marble – Metamorphic limestone. Oolite – Sedimentary rock formed from ooids. Rag-stone – Work done with stones that are quarried in thin pieces. Shelly limestone – Limestone containing many fossils. Travertine – Form of limestone deposited by mineral springs.

  4. Limestone University - Wikipedia

    en.wikipedia.org/wiki/Limestone_University

    Website. www .limestone .edu. Limestone University, formerly Limestone College, is a private Christian university in Gaffney, South Carolina, United States. It was established in 1845 by Thomas Curtis, a scholar born and educated in England. Limestone was the first women's college in South Carolina and one of the first in the nation; it is the ...

  5. Travertine - Wikipedia

    en.wikipedia.org/wiki/Travertine

    Travertine. Travertine ( / ˈtrævərˌtiːn / [1] TRAV-ər-teen) is a form of terrestrial limestone deposited around mineral springs, especially hot springs. It often has a fibrous or concentric appearance and exists in white, tan, cream-colored, and rusty varieties. [2] [3] It is formed by a process of rapid precipitation of calcium carbonate ...

  6. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Calcarenite – Type of limestone that is composed predominantly of sand-size grains; Chalk – Soft carbonate rock; Chert – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica; Claystone – Clastic sedimentary rock composed primarily of clay-sized particles; Coal – Combustible sedimentary rock composed primarily of carbon

  7. Cottonwood Limestone - Wikipedia

    en.wikipedia.org/wiki/Cottonwood_Limestone

    1894-5 [3] [4] Cottonwood Limestone, or simply the Cottonwood, [5] is a stratigraphic unit and a historic stone resource in east-central Kansas, northeast-central Oklahoma, and southeastern Nebraska in the Midwestern United States. [2] It is the lowest member of the Beattie Limestone formation and commonly outcrops within the deep valleys and ...

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