Frosterley Marble (Great Limestone, Mississippian; Rogerley Quarry, England)
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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
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Further information
Link: https://www.flickr.com/photos/47445767@N05/14805050675/
Resource type: Image
Added by: Peter Smith
Last modified: 7 years, 11 months ago
Viewed: 1794 times
Picture Taken: Unknown -
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