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单词 θ6263
释义
the world > the earth > minerals > mineral sources > [noun] > indicators of presence (9)
mother of gold1596

a rock or mineral supposed to indicate the presence of gold.

show1600

Mining and Oil Industry. A discernible indication of the presence of a desired metal or mineral in a mining ground, or (in later use) of oil or…

shoad1602

Loose fragments of tin, lead, or copper ore mixed with earth, lying on or near the surface and indicating the proximity of a lode. Also (with…

squad1674

= shoad, n.

prospect1709

Mining. An area considered likely to yield a mineral deposit that could be suitable for commercial exploitation.

indication1855

Mining. Something which indicates the presence of valuable ore, oil, etc. U.S.

showing1877

Mining. A visible indication of a deposit of a desired metal or mineral; metal, ore, etc., visible at a working. Cf. show, n.1 12a.

lode-light1883

a light said to be seen sometimes above a vein of ore.

indicator1894

A geological clue to the presence of gold.

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