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

The Indian titles to the mineral lands on that lake had been but a short time before completely extinguished, and the surveys of Dr. Houghton were bringing the cupriferous riches of the region into notice.

From Cleveland Past and Present Its Representative Men by Joblin, Maurice

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

In this manner the lead absorbs the gold, whether pure or argentiferous or cupriferous, and the alloy is taken to the cupellation furnace.

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

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