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Abstract
This chapter provides an overview of the coalfields of Great Britain and world resources. It illustrates the known coalfields of Great Britain, with N.C.B. code numbers giving the types of coal found therein. The chapter also presents details of the coals in the more important areas, with typical analyses and commercial uses. In Great Britain, coalfields of Lancashire, Yorkshire, Nottingham, Derbyshire, Leicester, and Staffordshire once formed a large continuous basin. The center portion is now incomplete, but there is a marked tendency for increase in rank of the coals toward the centre of the original basin. The highest-rank coals (anthracite) are found in the north-west portion of the coalfield. Elevation of the Welsh mountains could also have caused a rise in temperature of strata with corresponding increase in rank. South Wales, Forest of Dean, and Somerset coalfields once formed a large basin with the centre to the north-west of the present limits of the coalfield. The highest-rank coals (anthracite) are found in the northwest portion of the coalfield. Only less than one-third of the world reserves of coal are suitable for coking, and these include many of the narrow and uneconomical seams.
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