The BGS Lexicon of Named Rock Units — Result Details

Loch Doon Pluton

Computer Code: DOON Preferred Map Code: DOON
Status Code: Full
Age range: Pridoli Epoch (SO) — Early Devonian Epoch (DL)
Lithological Description: Major zoned granitic pluton. Isotopic age 408.6 +/- 2.8 (RB-SR); 408 +/- 4 (K-Ar).
Definition of Lower Boundary: Intrusive.
Definition of Upper Boundary: Intrusive.
Thickness: 'Hour-glass' shaped intrusion c. 19km x 11km with long axis orientated roughly N-S.
Geographical Limits: Southern Uplands, Scotland.
Parent Unit: South Of Scotland Granitic Suite (SSCGR)
Previous Name(s): Loch Doon Complex (-4004)
Loch Doon - Loch Dee Pluton (-4615)
Loch Doon Granite (-4616)
Loch Doon Plutonic Complex (-1513)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Area south, west and southwest of Loch Doon, Ayrshire, Scotland. 
Reference(s):
Ruddock, I. 1969. The geochemistry of the southern half of the Loch Dee-Loch Doon pluton, South-west Scotland. University of Newcastle-upon-Tyne PhD thesis (unpublished). 
Oertel, G. 1955. Der pluton von Loch Doon in Sudschottland. Geotekt. Forschung, Vol. 11, p. 1 - 83. 
Gardiner, C I and Reynolds, S H, 1932. The Loch Doon 'granite' area, Galloway. Quarterly Journal of the Geological Society, London, Vol. 88, p. 1 - 33. 
Brown, G C, Cassidy, J, Tindle, A G and Hughes, D J. 1979. The Loch Doon granite: an example of granite petrogenesis in the British Caledonides. Journal of the Geological Society, London, Vol. 136, p. 745 - 753. 
McIntyre, D B. 1947. The north-west part of the Loch Doon plutonic complex: a study in petrogenesis. University of Edinburgh PhD thesis (unpublished). 
Rutledge, H. 1950. The petrology and structure of the southern part of the Loch Doon complex. University of Edinburgh PhD thesis (unpublished). 
Tindle, A G. 1982. Petrogenesis of the Loch Doon granitic intrusion, Southern Uplands of Scotland. Open University PhD thesis (unpublished). 
Teall, J J H. 1899. In Peach, B N and Horne, J. 1899. The Silurian rocks of Britain, Vol.1: Scotland. Memoir of the Geological Survey of the United Kingdom. 
Tindle, A G and Pearce, J A. 1981. Petrogenetic modelling of in-situ fractional crystallization in the zoned Loch Doon pluton, Scotland. Contributions to Mineralogy and Petrology, Vol. 78, p. 196 - 207. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S008