The BGS Lexicon of Named Rock Units — Result Details

Darnford Conglomerate Member

Computer Code: YWOD Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Ediacaran Period (AD) — Ediacaran Period (AD)
Lithological Description: Purple and green pebbly sandstones and conglomerates, with clasts of quartzite and felsic igneous rock.
Definition of Lower Boundary: Taken at the transition from coarse sandstone into conglomerate within the Bayston Oakswood Formation. Represents the second conglomerate unit above the base of the Bayston Oakswood Formation, its base occuring about 250 m above the base of the formation.
Definition of Upper Boundary: Taken at the transition into coarse feldspathic sandstones and interbeded thin mudstones of the Bayston-Oakswood Formation.
Thickness: 90 m thick.
Geographical Limits: Welsh Borderlands, Sheets 152 (Shrewsbury) and 166 (Church Stretton). Appears to pass laterally into the coarse sandstones of the Bayston-Oakswood Formation.
Parent Unit: Bayston-Oakswood Formation (BAGP)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Abbey Conglomerate
Stratotypes:
Reference Section  Disused quarry 230 m east of Bayston Hill Church. Pocock R W, et al, 1938. 
Reference(s):
Lapworth C and Watts W W. 1910. Shropshire. 739-769 in Geology in the field; the Jubilee Volume of the Geologists' Association (1858-1908). Monckton H W and Herries R S (editors). (London: Edward Stanford). 
Pocock R W, Whitehead T H, Wedd C B and Robertson T. 1938. Shrewsbury District including the Hanwood Coalfield. Memoir of the Geological Survey of Great Britain, England and Wales. (London: H.M.S.O.). 
Greig D C, Wright, J E, Hains, B A and Mitchell, G H. 1968. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Memoir of the Geological Survey, Sheet 166 (England and Wales). (London: H.M.S.O.). 379pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E152 E166