cupriferous

Example Sentences

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The Rossland, the Boundary and the Kootenay districts are the chief centres of vein-mining, yielding auriferous and cupriferous sulphide ores, as well as large quantities of silver-bearing lead ores.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

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

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 cupriferous stone struck east-west, with a dip to the south; the outcrops, visible without digging, measured fifteen to twenty metres long, by one to one and a half in breadth.

From The Land of Midian — Volume 1 by Burton, Richard Francis, Sir

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