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Northumberland Coalfield : ウィキペディア英語版 | Northumberland Coalfield
The Northumberland Coalfield is a coalfield in north-east England. It is continuous with the Durham Coalfield to its south. It extends from Shilbottle in the north to the boundary with County Durham along the River Tyne in the south, beyond which is the Durham Coalfield.〔British Geological Survey 2007 ''Bedrock geology: UK North'' 1:625,000 scale geological map, BGS, Keyworth, Notts〕 The two contiguous coalfield areas were often referred to as the Durham and Northumberland Coalfield(s) or as the Great Northern Coalfield.〔http://www.northumbria.ac.uk/sd/central/its/uni_press/catalogue/hist/gnc_bm/〕 ==Coal seams== The following coal seams are recorded from the Northumberland Coalfield. They are listed here in stratigraphic order with the youngest at the top and the oldest/deepest at the bottom.〔British Geological Survey 1:50,000 scale geological map sheet nos 6, 9, 10, 14 (England & Wales series) ''Alnwick'', ''Rothbury'', ''Newbiggin'' & ''Morpeth''〕 Not all seams are named and not all occur at any one locality.
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