The BGS Lexicon of Named Rock Units — Result Details

Bathgate Group

Computer Code: BATH Preferred Map Code: BATH
Status Code: Full
Age range: Asbian Substage (CR) — Arnsbergian Substage (CG)
Lithological Description: Olivine-rich microporphyritic basalts of Dalmeny and Hillhouse types, some macroporphyritic olivine-basalts of Craiglockhart and Dunsapie types; bedded tuffites, tuffaceous sedimentary rocks also present.
Definition of Lower Boundary: The base of the Group is taken in most areas at an upward transition from sedimentary rocks in the Strathclyde or Clackmannan groups.
Definition of Upper Boundary: The top of the Group is taken at the highest known lava in the Passage Formation (in the Central Coalfield).
Thickness: Very variable: maximum is over 450m
Geographical Limits: Central Fife, west Lothian, Bathgate and Salsburgh areas. Component Formations: Bathgate Hills Volcanic Formation, Salsburgh Volcanic Formation, Kinghorn Volcanic Formation.
Parent Unit: Not Applicable (-)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S040 S040