The BGS Lexicon of Named Rock Units — Result Details

Temeside Mudstone Formation

Computer Code: TSH Preferred Map Code: TSh
Status Code: Full
Age range: Pridoli Epoch (SO) — Pridoli Epoch (SO)
Lithological Description: A green to olive mudstone and siltstone with subsidiary green to brown micaceous sandstone and locally developed vertebrate bone beds.
Definition of Lower Boundary: The base of the mudstones and siltstones resting conformably on Downton Castle Sandstone.
Definition of Upper Boundary: The base of the red mudstones and siltstones of the overlying Ledbury Formation.
Thickness: Ranging from 12 to 27 m thick at Ludlow, and 10 to 13 m thick South Staffordshire.
Geographical Limits: Wales Borders and South Staffordshire.
Parent Unit: Downton Subgroup (DOW)
Previous Name(s): Temeside Shales Formation [Obsolete Code: Use TSH] (TEB)
Temeside Group [Obsolete Name And Code: See TSH] (TEG)
Temeside Beds (-565)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  White and Lawson, 1989, location 4: old quarry in Tin-Mill Wood, south bank of the Teme, near Bringewood Forge Bridge, Downton. 
Type Section  White and Lawson, 1989, location 5: south bank of Teme, near footbridge, east of Ludford Bridge, Ludlow. 
Reference(s):
Cocks, L R M, Holland, C H, Rickards, R B and Strachan, I, 1971. A correlation of Silurian rocks in the British Isles. Geological Society of London, Special Report No.1. 
White, D E and Lawson, J D, 1989. The Pridoli Series in the Welsh Borderland and south central Wales. 131-141 in A global standard for the Silurian System. Holland, C H and Bassett, M G (editors) National Museum of Wales, Geological Series No. 9, Cardiff. 
Elles, G L and Slater, I L, 1906. The highest Silurian rocks of the Ludlow district. Quarterly Journal of the Geological Society of London, 61, 195-221. 
Ball, H W, 1951. The Silurian and Devonian rocks of Turners Hill and Gornal, South Staffordshire. Proceedings of the Geologists' Association, 62, 225-236. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E168 E181 E167 E214