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The Brain has selected interesting
relevant
sentences from the web. It automatically assigned them to some of our
fictitious experts based on their personalities.
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Brian Mengel,
Civil Servant
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Mining Business Digest Market news, trends, pricing, and reports for gold, silver, copper, lead, and zinc.
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Ben Werner,
Student Newspaper Editor
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El Boleo ran a copper mining and smelting operation here until1954, when the Mexican government took it over, finally shutting it down three decades later when widespread arsenic poisoning became evident in the local population.
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John Fielding,
CEO
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Copper Mines and Metals Ltd entered an option agreement with Plato Mining Pty Ltd to joint venture into a group of mineral exploration projects in Western Australia.
Sporadic mining of copper, silver, gold, lead and zinc occurred in the area until the company went into liquidation in 1912 because the ore proved difficult to refine.
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Bori Gonbutoren,
Reindeer Herder
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By the twentieth century, new mining and smelting methods were developed and reserves were boosted by the discovery of major copper ore deposits in Central Africa.
In the course of joint work the optimal concept for reconstruction of copper smelting plants of Ural Mining and Metallurgical Company will be selected on the basis of Finnish technologies.
It is unfortunate that the written record of the Adams County native copper mines is so sketchy, but the mining entrepreneurs of the day saw little value in preserving their efforts for posterity.
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Billie Kirgan,
Machinist
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Mining releases many times the stream load or atmospheric rain-out of lead, copper, nickel, chromium, cadmium, zinc, silver and antimony, all of which are toxic in low concentrations.
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Astrid Schuhmann,
Backpacker
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The Tsumeb copper and zinc mines opened in 1906, and diamond mining (more accurately, sand sifting) began near L deritz in 1908 and at the main fields at the mouth of the Orange River (Oranjemund) a few years later.
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Shane Kelly,
Bar Tender
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Mining and smelting of copper at Mount Isa , north-west Queensland, and refining at Townsville.
Australian Mining Investments said the proposal was lodged with the Tasmanian government, for the recovery of copper, aluminium, cobalt and zinc.
Copper and gold mining at Ernest Henry , north-west Queensland, for smelting and refining at Mount Isa and Townsville.
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