The BGS Lexicon of Named Rock Units — Result Details

Far House Member

Computer Code: FARH Preferred Map Code: notEntered
Status Code: Full
Age range: Telychian Age (ST) — Telychian Age (ST)
Lithological Description: Pale grey mudstone, massive.
Definition of Lower Boundary: At the top of the last red mudstone of the Hebblethwaite Member or (where this Member is absent) where laminated mudstone gives way to massive mudstone.
Definition of Upper Boundary: At the base of the lowest unit of thinly laminated silty mudstone of the Brathay Formation.
Thickness: About 8m in the Howgill Fells, 2-10m regionally.
Geographical Limits: Across the Howgill Fells and Lake District.
Parent Unit: Browgill Formation (BRW)
Previous Name(s): Grey Beds (GRY)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Stream section 300m north of Hollin Bank Farm. 
Reference(s):
Kneller, B C, Scott R W, Soper N J, Johnson E W and Allen P M, 1994. Lithostratigraphy of the Windermere Supergroup, Northern England. Geological Journal, Vol. 29, 219-240. 
Scott, R W and Kneller, B C, 1990. A report on the Ashgill and Llandovery age rocks of Sheet 38 (Ambleside). British Geological Survey Technical Report WA/90/63. 
Rickards, R B, 1964. The graptolitic mudstone and associated facies in the Silurian strata of the Howgill Fells. Geological Magazine, Vol.101, 435-445. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable