In chemical and mining operations (see wash, v. 4 11).
单词 | θ210324 |
释义 | society > occupation and work > industry > mining > [noun] > washing or streaming (15) washing1578 In chemical and mining operations (see wash, v. 4 11). stream-work1586 the operation of washing detrital deposits for metal, esp. tin; a place where this is done. streaming1778 Mining. The washing of ore (usually tin-ore) from the detritus with which it is associated. surfacing1852 Chiefly Australian. The action or process of extracting gold or other valuable minerals from surface deposits, esp. by washing. Also (concrete) a… Subcategories:— for gold (8) — for tin (3) |
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