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The Leicestershire and South Derbyshire Coalfield in the English Midlands is one of the smaller British coalfields.〔British Geological Survey 2007 ''Bedrock geology: UK South'' 1:625,000 scale geological map, BGS, Keyworth, Notts〕 The two areas are sometimes separately referred to as the South Derbyshire Coalfield and the Leicestershire Coalfield. All of the worked coal seams are contained within the Lower and Middle Coal Measures which are of Upper Carboniferous age. ==Geology== The following seams are recognised in South Derbyshire:〔Hains, B.A. & Horton, A., 1969 ''British Regional Geology: Central England'' (3rd edn), London, HMSO for British Geological Survey〕 :Middle Coal Measures : * Ell : * Dicky Gobler : * Upper Kilburn : * Block : * Yard : * Two Foot : * Upper Cannel : * Little : * Little Kilburn :Lower Coal Measures : * Rider : * Main : * Little Woodfield : * Lower Main : * Woodfield : * Stockings : * Eureka : * Joyce's : * Upper Stanhope : * Lower Stanhope : * Well : * Twelve Inch : * Clod : * Kilburn : * Norton : * Hardbed Band : * Belperlawn A series of seams referred to as P12, P15/16, P17, P25, P27, P31 (Derby), P33, P34 and P39/40 are recorded above the Upper Kilburn seam in the southern part of the South Derbyshire Coalfield. In the Leicestershire area, the following are recognised;〔British Geological Survey 2010 ''Coalville'' England and Wales sheet 155 Bedrock & Superficial deposits. 1:50,000 (Keyworth, Nottingham: BGS)〕 :Middle Coal Measures : * Excelsior : * Minge : * Five Foot (or Five Feet) : * Splent : * Threequarters : * New Main Rider : * New Main (Slate) : * Swannington Yard : * Cannel :Lower Coal Measures : * High Main : * Upper Main (Main) : * Smoile : * Upper Lount : * Middle Lount : * Nether Lount : * Yard : * Low Main (Roaster) : * Lower Main Upper : * Lower main Lower : * Clod : * Kilburn 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Leicestershire and South Derbyshire Coalfield」の詳細全文を読む スポンサード リンク
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