polymetallic वाक्य
उदाहरण वाक्य
मोबाइल
- A "'polymetallic replacement deposit "'is an orebody of metallic minerals formed by the replacement of sedimentary, usually carbonate rock, by metal-bearing solutions in the vicinity of igneous intrusions.
- The most polluted rivers of the Republic are those flowing through the territory of the East Kazakhstan region, where the highest index of surface water pollution is observed in the mining areas and enrichment of polymetallic ores.
- Superheated ( measured as hot as 224 �C ) metal-enriched water issuing from the vents has built chimneys of polymetallic sulfide / sulfates to a maximum height of 4 m, apparently accumulated since the 1650 event.
- A major source of zircon ( and hence hafnium ) ores is heavy mineral sands ore deposits, pegmatites, particularly in Brazil and Malawi, and carbonatite intrusions, particularly the Crown Polymetallic Deposit at Mount Weld, Western Australia.
- More recently, polymetallic sulfide deposits have been discovered and polymetallic sulfide " black muds " are being presently deposited from " black smokers " The cobalt scarcity situation of 1978 has a new option now : recover it from manganese nodules.
- More recently, polymetallic sulfide deposits have been discovered and polymetallic sulfide " black muds " are being presently deposited from " black smokers " The cobalt scarcity situation of 1978 has a new option now : recover it from manganese nodules.
- The company was established in 1997 through the merger of Eastern Kazakhstan's three main non-ferrous metal companies-" Ust-Kamenogorsk Lead and Zinc Combinate ", " Leninogorsk Polymetallic Combinate " and " Zyryanovsk Lead Combinate ".
- In recent years, however, interest in deep-sea mining, especially with regard to ferromanganese crusts and polymetallic sulphides, has picked up among several firms now operating in waters within the national zones of Papua New Guinea, Fiji and Tonga.
- Assigned to the Preparatory Commission for the International Seabed Authority and for the International Tribunal for the Law of the Sea, he served as Deputy Secretary of Special Commission 3 on the mining code for polymetallic nodules and Secretary of Special Commission 2 on the Enterprise.
- Development of deep-water work class ROV by NIOT in collaboration with Experimental Design Bureau of Oceanological Engineering ( EDBOE ), Moscow was initiated by Polymetallic Nodule Management ( PMN ) Board of the Ministry of Earth Sciences ( MoES ), Govt . of India.
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