cupriferous
Example Sentences
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Its characteristics are the argentiferous and cupriferous ores, whereas in South Midian gold and silver were worked; and the parallelogram whose limits are assigned above, might be converted into a Northern Grant.
From The Land of Midian — Volume 1 by Burton, Richard Francis, Sir
The formation was well studied by the miners of that country a century ago as containing a thin band of dark-coloured cupriferous shale, characterised at Mansfield in Thuringia by numerous fossil fish.
From The Student's Elements of Geology by Lyell, Charles, Sir
If the ore contains any stibium, then iron slag is added to it; if pyrites, then are added cakes melted from a cupriferous stone and sand made from stones which easily melt.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius
On ore smelting he describes the reduction of iron and lead ores and cupriferous silver or gold ores with lead.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius
By Pot Assay.—Roasted cupriferous pyrites containing small quantities of gold and silver comes under this heading.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius
