mineful

plural minefuls

1. An amount sufficient to fill a mine.

   The Americans abandoned what had become a more than useless concession, and to-day a mineful of water, colored with copper sulphates and lapping undetermined streaks of ore, remains the property of the Virgin of Cobre.

   1920, Harry A. Frank, Roaming through the West Indies, Blue Ribbon Books, unnumbered page

2. figurativelyA large amount, particularly of something obtained through mining.

   Oh this earth is a mineful of treasure, A goblet, that's full to the brim,

   1892, Horace Smith, “My Boating Song”, in Interludes: Being Two Essays, a Story, and Some Verses, Macmillan and Co, page 117

   2 more examples

   I had taken all this with a mineful of salt and had not been calling Violet more often.

   1990, Judith Rossner, His Little Women, Pocket Books, published 1991, →ISBN, page 185

   Next came a glittering cloud, all wisps and sparkles, which eventually revealed itself to be Miss Daisy Athensasy in a swansdown-trimmed gown and a mineful of diamonds.

   2008, James Lear, The Secret Tunnel, Cleis Press, →ISBN, page 44