The BGS Lexicon of Named Rock Units — Result Details

Saughen Braes Lava Member

Computer Code: SBLA Preferred Map Code: notEntered
Status Code: Full
Age range: Arundian Substage (CJ) — Asbian Substage (CR)
Lithological Description: About five flows of plagioclase-macrophyric basalt (Markle type)
Definition of Lower Boundary: Where the Saughen Braes Lava Member is fully developed in the north-east of the area, it is underlain by the Burncrooks Volcaniclastic Member.
Definition of Upper Boundary: The Saughen Braes Lava Member interdigitates with the Auchineden Lava Member and in places underlies it (for example around [NS 443 772]). To the west of Lang Craigs [NS 430 760] the member is completely replaced by the Auchineden Lava Member.
Thickness: 0-40m
Geographical Limits: Restricted to the Kilpatrick Hills, north-west of Glasgow, the unit occurs on Saughen Braes [NS 462 783], thinning out to the south near Fynloch [NS 458 793].
Parent Unit: Clyde Plateau Volcanic Formation (CPV)
Previous Name(s): Saughen Braes Lavas (Hall Et Al. 1998) (-3019)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The unit crops out on Saughen Braes [NS 462 783]. Hall et al 1998 
Reference(s):
Hall, I H S, Browne, M A E and Forsyth, I H. 1998. Geology of the Glasgow district. Memoir of the British Geological Survey, Sheet 30E (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S030