cupriferous
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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 Cornelius Beringer
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 Georgius Agricola
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 Maurice Joblin
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 Georgius Agricola
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 Georgius Agricola
