The BGS Lexicon of Named Rock Units — Result Details

Doghole Rock

Computer Code: DHMR Preferred Map Code: notEntered
Status Code: Full
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: Sandstone, highly siliceous, with subordinate mudstone.
Definition of Lower Boundary: The lower boundary in the Mary Ann Opencast Borehole (SD83SW/78), is taken at the base of a silty sandstone of the Doghole Rock, that lies above the Doghole Coal.
Definition of Upper Boundary: The upper boundary in the Mary Ann Opencast Borehole (SD83SW/78), is taken at the base of a silty sandstone of the Doghole Rider Coal, a thin coal at the base of a shale-dominated sequence overlying the Doghole Rock.
Thickness: 4.2m
Geographical Limits: Burnley [SD 83 32] to Ightenhill [SD 81 34] areas.
Parent Unit: Pennine Lower Coal Measures Formation (PLCM)
Previous Name(s): Doghole Mine Rock (-3991)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Fulledge Colliery, shaft (SD83SW/17) [84560 32290], from 37 feet 6 inches to 51 feet, 6 inches below ground level. Wild, 1864. 
Type Section  Mary Anne Opencast Borehole (SD83SW/78) [81740 33810], from 91 feet to 103 feet 1 inch below ground level. This is the full thickness of the unit, and both top and base are present. Earp et al., 1961. 
Reference(s):
Earp, J R, Magraw, D, Poole, E G, Land, D H and Whiteman, A J, 1961. Geology of the country around Clitheroe and Nelson. Memoir of the Geological Survey of Great Britain, Sheet.68, England and Wales, pp.346. 
Wright, W B, Sherlock, R L, Wray, D A, Lloyd, W and Tonks, L H, 1927. The Geology of the Rossendale Anticline. Memoir of the Geological Survey, England. England and Wales Sheet 76. 
Wild, G, 1864. On the Fulledge section of the Burnley Coalfield. Transactions of the Manchester Geological Society, Vol.4, 179-190. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E068 E076