cupriferous

Example Sentences

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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

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

According to Egleston the loss may be from 40 to 90% of the total gold present in cupriferous ores according to the temperature and duration of calcination.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various

This is black, bituminous, and cupriferous, and when first extracted from the mine it is thrown out into an open space and heaped up in a mound.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

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