“tierras”的英文意思_释义_用法

单词

tierras

释义

‖ tierras, n. pl. Mining. U.S.|ˈtjerras|
[Sp. tierras earths, pl. of tierra earth:—L. terra.]
Pulverulent ore, spec. of quicksilver, mingled with sand and earthy matter; in Mexico, inferior pulverulent ores generally. Also attrib., as tierras-furnace, tierras-ore.
1874Raymond Statist. Mines & Mining 397 In 1865, the amount of ore worked was 15,974 tons. Of which the Tierras amounted to 1,955 tons... Tierras yielded (estimated) 3 per cent., or 1,533 flasks.1877Ibid. 9 Number of tons tierras-ore roasted.Ibid. 17 A new tierras-furnace will take its place.1881― Mining Gloss., Tierras,..fine dirt impregnated with quicksilver ore, which must be made into adobes before roasting.

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