Sentences with phrase «copper ore deposit»
PERTH - based Titan Resources NL has completed construction of a $ 2.23 million pilot plant for bacterial leaching of its Mt Sholl nickel - copper ore deposit in the Pilbara region of WA.
https://www.businessnews.com.au/ Not exact matches
In its day, the mine was one of the richest in the British Empire, with about 500,000 tonnes of polymetallic ore extracted annually from the Volcanogenic Massive Sulphide or «VMS» style deposit in the 1920s and 1930s at spectacular grades of 23 % lead, 14 % zinc, 1 % copper and 540 g / t silver.
But comparing the mix of different forms of lead, or isotopes, in the ax with that in copper ore from present - day deposits across much of Europe indicated that the ancient man's blade came from Southern Tuscany.
Researchers previously suspected the copper came from known ore deposits 100 kilometers or less from the site of the Iceman's demise.
And in waters off Papua New Guinea, a mining company analyzes metal deposits around inactive, underwater volcanoes that contain, on average, 10 times as much copper as typical ores on land do.
The introduction of the techniques of copper - working may have stimulated the Egyptians to gain control of Sinai and the Arabian desert where in historical times their main ore deposits were mined.
The weights are derived by training on known ore deposits of certain classes like porphyry copper.