reef wash
Australian Mining (now chiefly historical )
noun
A deposit of wash-dirt lying over bedrock.
Origin
Mid 19th century; earliest use found in Robert Brough Smyth (1830–1889), civil servant and mining engineer.
| 单词 | reef wash |
| 释义 | reef washAustralian Mining (now chiefly historical ) noun A deposit of wash-dirt lying over bedrock. Origin |
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