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  2. Kilkenny marble - Wikipedia

    en.wikipedia.org/wiki/Kilkenny_Marble

    Richard III's tomb, of Swaledale white limestone on a Kilkenny black marble plinth. Kilkenny marble or Kilkenny black marble is a fine-grained very dark grey carboniferous limestone found around County Kilkenny in Ireland in the "Butlersgrove Formation", a Lower Carboniferous limestone that contains fossils of brachiopods, gastropods, crinoids and corals. [1]

  3. Nero Marquina marble - Wikipedia

    en.wikipedia.org/wiki/Nero_Marquina_Marble

    Nero Marquina marble (mármol Negro Marquina [1]) is a high quality, black bituminous limestone extracted from the region of Markina, Basque Country in northern Spain. [2] This variety of natural stone gets its black color from naturally-occurring bitumen. [3] It is one of the most important "marbles" from Spain.

  4. 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

  5. List of quarries in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_quarries_in_the...

    Aberdeen Quarry, an abandoned granite quarry in Gunnison County, Colorado. Its granite was used in construction of the Colorado State Capitol; Marble, Colorado, only site of Yule Marble quarrying, in the West Elk Mountains. 99.5% pure calcite, discovered in 1873, source of marble for the Tomb of the Unknowns and for the exterior of the Lincoln ...

  6. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    Outdoor marble statues, gravestones, or other marble structures are damaged by acid rain whether by carbonation, sulfation or the formation of "black-crust" (accumulation of calcium sulphate, nitrates and carbon particles). [10] Vinegar and other acidic solutions should be avoided in the cleaning of marble products.

  7. Ashford Black Marble - Wikipedia

    en.wikipedia.org/wiki/Ashford_Black_Marble

    Ashford Black Marble is the name given to a dark limestone, quarried from mines near Ashford-in-the-Water, in Derbyshire, England. Once cut, turned and polished, its shiny black surface is highly decorative. Ashford Black Marble is a very fine-grained sedimentary rock, and is not a true marble in the geological sense.