copper-zinc

Tyler Resources owns Bahuerachi, Mexico's fourth-largest copper-zinc mine.

China's Jinchuan to buy miner Tyler 2008

This effort, in conjunction with the work of many others from around the world, led to the discovery in 1993 that one gene responsible for familial ALS encodes the enzyme copper-zinc superoxide dismutase.

H. Robert Horvitz - Autobiography 2003

Of the zinc produced in the United States, about 73 per cent is obtained from ores containing zinc as the principal element of value, about 25 per cent from zinc-lead ores, and 2 per cent from copper-zinc and other ores.

The Economic Aspect of Geology 1915

Thus, in the simple copper-zinc cell just considered, the zinc is consumed, the element hydrogen is deposited on the copper, and the current flow through the external circuit is from the copper to the zinc.

Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. George Patterson 1910

The mix of mill feed in the second quarter was 63% copper-only ore and 37% copper-zinc ore, compared to 49% and 51%, respectively, in the same period a year ago.

unknown title 2011

Zinc ore grades and recoveries apply to copper-zinc ores only.

unknown title 2011

Outside of the Snow Lake camp, the Company holds massive sulphide prospective properties near the past producing Fox Lake and Ruttan copper-zinc mines, near the communities of Lynn Lake and Leaf Rapids in northern Manitoba.

unknown title 2011

Zinc production declined by approximately 50% to 77,400 tonnes, due principally to lower specific zinc ore grades and a reduction of copper-zinc ores processed in the quarter.

unknown title 2011

It also owns the Neves-Corvo copper-zinc mine in Portugal, along with other assets in Sweden, Ireland and Spain.

Reuters: Press Release 2011

Zinc production decreased by 35% to 71,600 tonnes due to the reduced throughput of copper-zinc ore processed in the quarter and lower ore grades.

unknown title 2011