Brockram

Brockram is a type of rock found in northern England. It is a basal breccia of cemented limestone and sandstone fragments dating from the Permian period, forming part of the Appleby Group.[1]

Brockram outcrops in the Whitehaven and Workington district (Geological survey of Gt. Britain sheet 28). Saltom Bay gives a good exposure of it. Along the coast (Saltom Bay to St. Bees ) its thickness varies from 0.75m to 20.5m. Inland boreholes have revealed its thickness to be up to 121m. [2]

Brockram has been used as a building material in Kirkby Stephen and the rest of the Vale of Eden where it has also been quarried for lime burning. It is visible also beside a river bed under a bridge on the edge of Kirkby Stephen.

References

  1. ^ British Geological Survey (2011). "Appleby Group". The BGS Lexicon of Named Rock Units. Retrieved 15 February 2011.
  2. ^ The Geology of the Whitehaven and Workington district. T. Eastwood et al. pub. HMSO. 1931. page 206, Plate VIa.


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