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・ Clackers cereal
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Clackmannan Group
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・ Clackmannanshire (UK Parliament constituency)
・ Clackmannanshire and Dunblane (Scottish Parliament constituency)
・ Clackmannanshire and East Stirlingshire by-election, 1939
・ Clackmannanshire and Kinross-shire (UK Parliament constituency)
・ Clackmannanshire and Kinross-shire by-election, 1899
・ Clackmannanshire Bridge
・ Clackmannanshire Council election, 2007
・ Clackmannanshire Council election, 2012
・ Clacks
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Clackmannan Group : ウィキペディア英語版
Clackmannan Group

The Clackmannan Group is the name given to a suite of rocks of late Dinantian and Namurian age laid down during the Carboniferous period in the Midland Valley of Scotland.
The Group comprises a lower unit of coarse sandstones, siltstones, mudstone, and limestones with thin coals and ironstones known as the Lower Limestone Formation, an overlying sequence of similar rocks known as the Limestone Coal Formation, then an Upper Limestone Formation and at its top the sandstones of the Passage Formation. This last formation also includes fireclays, siltstones, mudstones, ironstones, coal and seatrocks.
The Clackmannan Group conformably overlays the rocks of the Strathclyde Group and underlays the Coal Measures, this latter boundary also being conformable. 〔British Geological Survey Research Report RR/07/01: Lithostratigraphical framework for Carboniferous successions of Great Britain (Onshore) Waters, C.N. et al 2007〕〔British Geological Survey 1:50,0000 scale geological map sheet (Scotland) 23W ''Hamilton''〕
Remains of the prehistoric shark †''Cladodus elegans'' Newberry & Worthen, 1870 (braincase and a tooth) have been found in the Lower Limestone formation.〔The Braincase and Jaws of Cladodus from the Lower Carboniferous of Scotland. Michal Ginter and John G. Maisey, Palaeontology, March 2007, Volume 50, Issue 2, pages 305–322, 〕
==References==


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