cupriferous
Example Sentences
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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
Copper silicates occur in the mineral kingdom, many minerals owing their colour to the presence of a cupriferous element.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" by Various
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
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
A cupriferous variety, from Jalpa in Tabasco, Mexico, is known as jalpaite.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" by Various
