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Geology of Lincolnshire : ウィキペディア英語版 | Geology of Lincolnshire : ''This article describes the geology of the ceremonial county of Lincolnshire. Besides the modern administrative county, it includes the unitary authority areas of North Lincolnshire and North East Lincolnshire.'' The geology of Lincolnshire in eastern England largely consists of an easterly dipping succession of Mesozoic age sedimentary rocks, obscured across large parts of the county by unconsolidated deposits dating from the last few hundred thousand years of the present Quaternary Period.〔British Geological Survey 1:625,000 scale geological map ''Bedrock Geology UK South'' 5th Edn. NERC 2007〕 == Triassic == The oldest rocks exposed at or near the surface of Lincolnshire are the sandstones and mudstones of the early Triassic Sherwood Sandstone Group. Rocks from this and the overlying Mercia Mudstone and Penarth groups occur in the northwest of the county and along its western border but are generally concealed beneath a thick cover of recent deposits.
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