mullock

noun

(now UK dialect) Rubbish, waste matter. / (Australia, New Zealand, mining) Overburden: waste material generated while searching for minerals or while mining, such as when sinking a shaft.

He threw the mullock into the dumpster.

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詳細

意味（1）

(now UK dialect) Rubbish, waste matter.

意味（2）

意味（3）

(Australia, New Zealand, mining) Tailings: waste rock from which the wanted gold, minerals, opal, etc., has been extracted.

The gold, both in the quartz and mullock, is very fine, and, owing to the soft and ferruginous nature of the stuff, specks can but very rarely be seen during working.

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