The BGS Lexicon of Named Rock Units — Result Details

Opencast (Non-Metalliferous Mineral)

Computer Code: WMNO Preferred Map Code: notEntered
Status Code: Full
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: An area of Worked Ground where the land surface (natural or artificial) has been lowered due to removal of material by an opencast or strip mining operation for the extraction of non-metalliferous deposits (e.g. gypsum mine). Composition: void.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Mineral Excavation (Undivided) (WMU)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Ford, J, Kessler, H, Cooper, A H, Price, S J, and Humpage A J. 2010. An enhanced classification for artificial ground. British Geological Survey Open Report, OR/10/36. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable