AskDefine | Define mullock

User Contributed Dictionary

English

Noun

mullock
  1. Rock refuse from which gold, other minerals or other valuable material, for example opal, has been extracted. Mullock can also be generated in the search for minerals or during the mining process, for example when sinking a shaft.

Quotations

  • 1996, Janette Turner Hospital, Oyster, Virago Press, paperback edition, page 4
    On certain days, when hot currents shimmered off Oyster's Reef, we would detect the chalk-dust of the mullock heaps, acrid; or, from the opal mines themselves, the ghastly fug of the tunnels and shafts.

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