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East Kirkton Quarry
East Kirkton Quarry is a former limestone quarry in West Lothian, Scotland, now better known as a fossil site known for terrestrial fossils from the fossil-poor "Romer's gap, a 15 million year period at the beginning of the Carboniferous. The rocks and fossils are of Visean age, about 335 million years old.〔(''East Kirkton, Bathgate (GCR ID: 2757)'' ) in Dineley, D. and Metcalf, S. (1999) ''Fossil Fishes of Great Britain'', Geological Conservation Review Series, No. 16, Joint Nature Conservation Committee, Peterborough, 675 pp. Chapter 15: ''Sites of British Fossil stem Tetrapoda and Amphibia''. Retrieved 2014-04-08.〕 Best known are the labyrinthodont fossils, as the period coincides with the time where the modern lineages of tetrapods are thought to have evolved.〔White, T. & Kazlev, M.A. (2004): (Paleozoic Sites, part 2 ), from Palaeos website.〕
==Location==
The quarry is located in the town of Bathgate in West Lothian, Scotland. Geologically, it sits fairly central to the middle of the fossil-rich Scottish Central Lowlands. The site is dominated by volcanic tuff and limestone, and layered silica deposits, indicating the presence of a hot spring associated with volcanism.〔Benton, M. (2005): Vertebrate Palaeontology 3rd edition. Blackwell Publishing〕
The land next to the quarry itself is developed for housing.〔Clack, J.A. (2002): Gaining ground: the origin and evolution of tetrapods. ''Indiana University Press'', Bloomington, Indiana, USA. 369 pp〕
It is designated as both a Regionally Important Geological Site and as a Site of Special Scientific Interest.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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