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Short "hint"

n. - A region in which occurs a black or brownish black solid combustible mineral substance formed by the partial decomposition of vegetable matter under the influence of moisture and in many cases increased pressure and temperature

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Usage examples (37)
  • Jharia coalfield, which is a famous coalfield of Dhanbad, stretches from west to east in the shape of sickle.
  • The Jharia coalfield which is the only coking coal source of India is located in the district of Dhanbad (Jharkhand).
  • Eastern Kentucky coalfield resident Mickey McCoy reported:
  • There is a small coalfield at Rio Turbio in southern Patagonia.
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