Hardrock Mining - Risks to Community Health

were exposed to tremolite asbestos, a byproduct of mining for vermiculite, for many years. One study found that between 1979 and 1998, death rates from respiratory diseases in Libby were 40% higher than national averages. The same study found the death rate from asbestiosis in Libby to be 63 times higher than expected. • Mercury Pollution.

State of Montana Settles Asbestos Lawsuit for $24M - Decided

A vermiculite mine in northwestern Montana was one of the principal industries for residents in the town of Libby. Unfortunately, a byproduct of mining vermiculite is asbestos, which, for decades, has been known to be a dangerous, toxic substance from which exposure can result in …

How vermiculite is made - material, history, used ...

The largest vermiculite mining operation in the world is located in the Phalabowra (also sometimes spelled Palabora) district of the Republic of South Africa. Other countries producing significant amounts of vermiculite include the United States, China, Russia, Brazil, Japan, Zimbabwe, and Australia.

Montanans Settle Asbestos Mine Cases for $23 Million

The Libby mine produced vermiculite, which was processed at a Libby plant for use as insulation and shipped across the nation. Asbestos is a byproduct of vermiculite, and its lethal dust often blanketed the greater Libby community, 40 miles south of the Canada border.

Mining | CELDF

CELDF helps communities facing industrial mining operations, which threaten the environmental, economic, and civil rights of communities. Learn here about the dangers of mining, and what you can do in your community. ... Montana was exposed to high levels of tremolite asbestos, a byproduct of vermiculite mining. The results were devastating.

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Palabora Mining Company Limited (founded August 1956) is a publicly-traded mining company headquartered in Phalaborwa, Limpopo province, South Africa. The company operates a single cluster of open-pit and underground mines producing mainly copper as well as byproducts such as anode slimes, nickel sulphate, sulphuric acid, magnetite, and ...

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1 Bruce Mason, "Lightweight Aggregates," from Industrial Minerals and Rocks, 6th ed., Society for Mining, Metallurgy, and Exploration, 1994, pp. 343-350. LIGHTWEIGHT AGGREGATE A. Commodity Summary Lightweight aggregates are minerals, natural rock materials, rock-like products, and byproducts of

Asbestos Mines - Vermiculite Mining & Asbestos Exposure

Vermiculite Mining Vermiculite is a member of the phyllosilicate group of minerals and is found in many parts of the world. Vermiculite can contain many other minerals, including asbestos.

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Mine's lasting scars on a Montana town. ... the lingering asbestos that was released into the town as a byproduct of a long dormant mining operation. ... all the vermiculite extracted and ...

Environmental Damage - MIT

The list of environmental concerns that can be connected with rare earth elements is not a brief one. Throughout the cycle of mining processes that rare earth elements go through, there is potential for negative effects on the environment.

NIGHTLINE: A Killer in Town – Part 1 & 2 (Asbestos in ...

Jul 16, 2010· The U.S. Attorney for Montana has begun a criminal indictment of W. R. Grace corporation for its mining operations in Libby. For decades Libby and the surrounding mountains were contaminated with tremolite asbestos, a particularly lethal and poisonous mineral, a byproduct of the town's major industry, vermiculite mining.

Asbestos News Daily - Libby Montana

Samples of vermiculite and tremolite asbestos, a deadly waste byproduct of vermiculite mining, are shown at the EPA in Libby. (Associated Press) By Matthew Brown ASSOCIATED PRESS. 4:17 p.m., Monday, May 31, 2010

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Vermiculite - Wikipedia

Vermiculite is a 2:1 clay, meaning it has two tetrahedral sheets for every one octahedral sheet. It is a limited-expansion clay with a medium shrink-swell capacity. Vermiculite has a high cation exchange capacity (CEC) at 100–150 meq/100 g.

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Palabora - Wikipedia

Palabora Mining Company Limited (founded August 1956) is a publicly traded mining company headquartered in Phalaborwa, Limpopo province, South Africa. The company operates a single cluster of open-pit and underground mines producing mainly copper as well as byproducts such as precious metals from anode slimes, nickel sulfate, sulfuric acid, magnetite, and vermiculite.

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