coalfield

English

From coal +‎ field.

coalfield (plural coalfields)

Any region containing deposits of coal that may be mined.
- 1954 August, “Marshalling Yard Reorganisation, Eastern Region”, in Railway Magazine, page 570:
  The east-west flow consists in the westerly direction of the agricultural and industrial products of East Anglia; imports through London and Parkeston (Harwich); special traffic in coke to the Northamptonshire ironfield; and mineral empties returning to the Derbyshire, Nottinghamshire, and South Yorkshire coalfields.
- 1961 August, “New traffic flows in South Wales”, in Trains Illustrated, page 492:
  The amount of coal despatched in the Western Region is about 24,000,000 tons a year, nearly all from South Wales, though the Region includes the Forest of Dean, N. Somerset, and part of the N. Wales coalfields.

region containing deposits of coal