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Geology of Cambridgeshire : ウィキペディア英語版 | Geology of Cambridgeshire : ''This article describes the geology of the ceremonial county of Cambridgeshire. It thus includes the present City of Peterborough and the historic county of Huntingdonshire which was brought into the county in 1974.'' The geology of Cambridgeshire in eastern England largely consists of unconsolidated Quaternary sediments such as marine and estuarine alluvium and peat overlying deeply buried Jurassic and Cretaceous age sedimentary rocks.〔British Geological Survey 1:625,000 scale geological map ''Bedrock Geology UK South'' 5th Edn. NERC 2007〕 == Jurassic == Limestones, mudstones and sandstones of the Inferior Oolite Group and Great Oolite Group dating from the early to mid Jurassic Period are present at depth beneath western Cambridgeshire. The later Kellaways and Oxford Clay formations and Ampthill Clay formations all assigned to the Ancholme Group of middle to late Jurassic times underlie much of central Cambridgeshire.
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「Geology of Cambridgeshire」の詳細全文を読む
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