Frosterley Marble is a dark grey to black limestone which has been used as an ornamental stone locally and internationally in churches and buildings such as Durham Cathedral.
Category Archives: Palaeozoic
March 2011 – Trilobite
These are an extinct order of arthropod (animals having a jointed and segmented body plan) which make their first appearance in the fossil record during the Cambrian Period, commencing about 520 million years ago. Trilobites, meaning ‘three-lobes’, are some of the earliest known arthropods and lived on the sea floor at a variety of [...]
on March 2, 2011 Leave a comment
February 2010 – Evaporites
Evaporites are non-clastic, or chemical sediments, created through the precipitation of dissolved salts from water. They most frequently occur at the site of a former large water body such as a lake or landlocked sea, on coastal plains (sabkha zones), or where rivers feed very arid desert areas. As the water involved slowly evaporates the [...]
on February 1, 2010 Leave a comment
Crimdon Dene
Grid Reference NZ 471 371
BGS Sheet 27
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Deep gorge environment revealing exposures of Magnesian limestone. The gorge forms steep sides consisting of face of Magnesian limestone in a fluvial environment. Glacial erratics can be found in the stream bed.
Literature References The Geology [...]
on May 6, 2003 Leave a comment
Hartlepool Headland
Grid Reference NZ 524 344
BGS Sheet 27
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Wave washed platform of Magnesian limestone. The exposure reveals examples of stack an pillar coastal features.
Literature References The Geology of the Country Between Durham and West Hartlepool – Denis Smith 1967
Site Map
Site Assessment
Access and Safety
Comments
Rating
Safety [...]
on April 3, 2003 Leave a comment