The BGS Lexicon of Named Rock Units — Result Details

Fore Burn Complex

Computer Code: FBC Preferred Map Code: FBC
Status Code: Full
Age range: Pridoli Epoch (SO) — Early Devonian Epoch (DL)
Lithological Description: A series of approximately concordant microdiorite and tonalite sheets, sills or small stocks intruded into an Early Devonian succession of lavas, tuffs and sandstones. Intrusion breccias form a series of pipes along a fault zone. The whole complex has experienced widespread tourmalinisation.
Definition of Lower Boundary: Intrusive.
Definition of Upper Boundary: Intrusive.
Thickness: none recorded or not applicable
Geographical Limits: Southwest Scotland.
Parent Unit: Midland Valley Siluro-Devonian Mafic Intrusion Suite (MVMAI)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Fore Burn, about 7km southeast of Straiton, Ayrshire. 
Reference(s):
Eyles, V A, Simpson, J B and Macregor, A G. 1929. The igneous geology of Central Ayrshire. Transactions of the Geological Society of Glasgow., Vol. 18, 361 - 387. 
Allen, P M, Cooper, D C, Parker, M E, Easterbrook, G D and Haslam, H W. 1982. Mineral exploration in the area of the Fore Burn igneous complex, south-western Scotland. Mineral Reconnaissance Programme Report, Institute of Geological Sciences, No. 55. 
Eyles, V A, Simpson, J B and Macgregor, M C. 1949. Geology of Central Ayrshire. Memoir of the Geological Survey of Scotland, British Geological Survey, Sheet 14 (Scotland). 
Floyd, J D. 1999. Geology of the Carrick - Loch Doon district. Memoir for 1:50 000 geological sheets 8W and 8E (Scotland). [London: The Stationery Office for the British Geological Survey.] 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S008