Frosterley Marble (Great Limestone, Mississippian; Rogerley Quarry, England)

  • Description

    "Frosterley Marble" from the Mississippian of Britain. (field of view 12.5 cm across) In the commercial decorative stone trade, “marble” is used to refer to a wide variety of relatively soft rocks (H = 3 to 5) that will take a fine polish. These include true marbles and rocks that aren’t marbles, such as limestones, tectonic breccias, and serpentinites. True limestones are calcitic biogenic and ~chemical sedimentary rocks. "Frosterley Marble" is a fossiliferous limestone from Rogerley Quarry at Frosterley, Durham County, northern England. The large, light gray-brown colored, rounded objects in the rock are fossil rugose corals (“horn corals”) - Dibunophyllum bipartitum (M’Coy, 1849) (Animalia, Cnidaria, Anthozoa, Rugosa, Streptelasmatina, Zaphrenticae, Aulophyllidae). This coral species is commonly encountered in the Great Limestone, a lower Upper Mississippian unit (upper Visean Stage/upper Asbian Stage, Lower Carboniferous, ~329-330 million years) in northern England.
  • Owner

    James St. John
  • Source

    Flickr (Flickr)
  • License

    What does this mean? Attribution License
  • Further information

    Resource type: Image
    Added by: Peter Smith
    Last modified: 7 years, 4 months ago
    Viewed: 1676 times
    Picture Taken: Unknown
  • Co-Curate tags


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