| 词条 | Corncockle Quarry |
| 释义 |
GeologyThe sandstone in Corncockle Quarry is the Locharbriggs Sandstone Formation and dates from the Cisuralian, the Lower Permian between 298.9 - 272.3 Mya[3]. Fossil footprints were found there in the early 1800s, uncovered during quarrying. They are often wrongly referred to as dinosaur footprints, but dinosaurs did not exist at this time. They belong instead to other extinct reptiles, and therapsids - the group that would eventually lead to mammals, and includes animals like Dimetrodon. The footprints from Corncockle were the first ever described scientifically, by Mr. J Grierson[4], and the Reverend Henry Duncan[5] in 1928. Rev Duncan then published his paper on the footprints in 1831. The name for the study of fossil footprints and other trace marks, ichnology, was coined by Sir William Jardine, whose book The Ichnology of Annadale was about the trackways found in Corncockle Quarry, part of his ancestral estate[6]. The prints were then described by William Buckland. Commercial UseThe stone in Corncockle Quarry - now called Dunhouse Quarry - is currently extracted by Dunhouse[7]. At its peak the quarry was connected to the Caledonian Main Line by a mineral railway.[8] It was the subject of a lithograph by William Jardine.[9] References1. ^{{cite web|url=http://futuremuseum.co.uk/Collection.aspx/quarrying/Object/corncockle_quarry_near_lockerbie|title=Quarrying - Future Museum South West Scotland|accessdate=9 April 2012}} {{coord|55.1695|-3.4354|type:landmark_region:GB|display=title}}{{mining-stub}}2. ^{{cite web|url=http://www.stoneproject.org/corncockle-sandstone-quarry-new-quarry-techniques.html|title=STONE Project – Corncockle Sandstone Quarry – New quarry techniques|accessdate=9 April 2012}} 3. ^ The BGS Lexicon of Named Rock Units — Locharbriggs Sandstone Formation 4. ^Grierson, J. 1928. On footsteps before the flood, in a specimen of red sandstone. Edinburgh Journal of Science, 8:130-134. 5. ^Duncan, H. 1831. An account of the tracks and footmarks of animals found impressed on sandstone in the quarry of Corncockle Muir, in Dunfreisshire. Transactions of the Royal Society of Edinburgh, 11:194-209. 6. ^Jardine, W. 1853. The ichnology of Annandale; or, Illustrations of footmarks impressed on the new red sandstone of Corncockle muir 7. ^{{cite web|url=http://www.dunhouse.co.uk/downloads/Corncockle.pdf|title=Dunhouse info sheet on Corncockle|accessdate=9 April 2012}} 8. ^{{cite web|url=http://www.scotlandsplaces.gov.uk/search_item/index.php?service=RCAHMS&id=81434|title=ScotlandsPlaces - Corncockle Quarry|accessdate=9 April 2012}} 9. ^{{cite web|url=http://www.artistsfootsteps.co.uk/artists_a_z.asp?ID=311+&loadType=2&offset=2|title=Corncockle Muir Quarry by [Sir] William Jardine|accessdate=9 April 2012}} 2 : Dumfriesshire|Quarries in Scotland |
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