The BGS Lexicon of Named Rock Units — Result Details

Bathgate Hills Volcanic Formation

Computer Code: BHV Preferred Map Code: BHV
Status Code: Full
Age range: Asbian Substage (CR) — Arnsbergian Substage (CG)
Lithological Description: Pyroclastic rocks and related basaltic lavas, mostly alkali olivine-basalts (basanite to hawaiite) and volcaniclastic rocks.
Definition of Lower Boundary: First occurrence of volcanic rocks above the Two Foot Coal in the West Lothian Oil-Shale Formation.
Definition of Upper Boundary: Highest occurrence of volcanic rocks, below the Roman Cement Limestone, Passage Formation.
Thickness: To 1000m
Geographical Limits: Bathgate Hills, west of a line from NT0066 to NT0980, extending westwards underground to a point west of the Rashiehill Borehole (NS839730).
Parent Unit: Bathgate Group (BATH)
Previous Name(s): BATHGATE LAVAS
Alternative Name(s): none recorded or not applicable
Reference Section  Couston Borehole (NS97SW/99) 110 fathoms (201.17m) to 298 fathoms (544.98m). 
Type Area  Natural sections in the Bathgate Hills. 
Reference Section  Rashiehill Borehole (NS87SW/22), (Anderson, 1963), 2600ft (792.48m) to 3645ft (1110.99m). 
Anderson, F W, 1963. The Geological Survey Bore at Rashiehill, Stirlingshire (1951). Bulletin of the Geological Survey of Great Britain, No.20, 43-106. 
Smith, R A, Stephenson, D and Monro, S K, 1994. The geological setting of the southern Bathgate Hills, West Lothian, Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.84, 189-196. 
Browne, M A E, Dean, M T, Hall, I H S, McAdam, A D and Monro, S K, 1995. A review of the lithostratigraphy of the Carboniferous rocks of the Midland Valley of Scotland. BGS Technical Report, WA/95/25R. 
Cameron, I B. 1989. Geology for land use planning: Bathgate. British Geological Survey, Onshore Geology Series, Technical Report, WA/89/19 (NS97SE). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S031 S032