Sentence examples for polymetallic from inspiring English sources

Rich polymetallic ores have been found in the Ohangaron (Akhangaran) field southeast of Tashkent.

Substituted acetylenes form very stable polymetallic complexes in which the acetylene can be regarded as a four-electron donor.

Kentaū was formed in 1955 from several settlements and grew rapidly as a city, with a plant for enriching polymetallic ores and reinforced concrete (ferroconcrete), transformer, and excavator works.

Authigenic (i.e., formed in place) ferromanganese nodules have been discovered in the Somali and Arabian basins, and polymetallic sulfides have been found along the Carlsberg Ridge.

Proposed methods vary, but much of it will involve scooping up mineral-rich polymetallic "nodules" – tennis ball-sized chunks of rock – and breaking them up on the surface to release the minerals.

On July 19, China National Gold Group, the nation's largest gold producer, began work at a polymetallic mine whose daily output is expected to reach 15,000 tons.

Mineral resources take various forms: polymetallic nodules, manganese crusts and massive sulphides, a source of lead, zinc and copper mainly produced by magma spilling out of cracks in the Earth's crust.