Sentence examples for with ores from inspiring English sources

Nearly all cobalt is found associated with ores of copper, nickel, or copper-nickel.

As is the case with ores of other metals, surface uranium ores are readily mined with large earth-moving equipment, while deep deposits are mined by traditional vertical-shaft and drift methods.

Mr. Caspe said the radioactive substances, some of which he said gave very high readings, were radium and thorium, both of which are associated with ores that had been used at the Li Tungsten plant, a defense contractor during and after World War II that made tungsten for light filaments, drill bits, artillery shells, tanks and aircraft.

With ores of higher gold content (i.e., greater than 20 grams of gold per ton of ore), cyanidation is accomplished by vat leaching, which involves holding a slurry of ore and solvent for several hours in large tanks equipped with agitators.

This region is geologically very old, around 1900-1800 millionlion years), which gives quite different lead isotope distributions (206Pb/204Pb values cluster around 15.70) as compared with ores from the European continent exhibiting much younger Palaeozoic to Mesozoic (545-65 Ma) terrains, where 206Pb/204Pb ore values usually are in the range 17.5 19.0.

This chapter deals with ores, where the silver grade is sufficiently high to warrant modification to the design of the plant relative to that, which would be specified if the silver component was not present, and where the silver and gold are amenable to the recovery by conventional cyanidation.

Many of these require that the cave be associated with ore deposits or with other special geologic environments.

First, China's economic boom sent demand, along with ore prices, soaring.

On a recent day, no fewer than 13 ships waited to berth and load with ore for the 10-day journey to China.

We look down as a huge (but tiny) truck meanders up to the exit, laden with ore from which gold bullion will be produced.

The tailings from the Grasberg mine are so rich with ore that Papuans walk for as long as a week to get here.