What is Chromite? Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr 2 O 4).It is dark gray to black in color with a metallic to submetallic luster and a high specific gravity. It occurs in basic and ultrabasic igneous rocks and in the metamorphic and sedimentary rocks that are produced when chromite
2019/04/10From the Gobi Desert in Central Asia, to Bingham Canyon in the southwestern United States, to diamond-rich mines in South Africa, the mining industry is one of the largest in the world. Every day – 24 hours a day – mining operations work to extract the Earth's most precious minerals and natural resources. Gold, diamonds, platinum, titanium, coal, chrome
2019/07/12Material adapted from: Hudson, T.L, Fox, F.D., and Plumlee, G.S. 1999. Metal Mining and the Environment, p. 48-49. Published by the American Geosciences Institute Environmental Awareness Series. Click here to download the full handbook. An extensive regulatory system has been developed to govern current mining operations in the United States
2020/08/15United States As one of America's oldest manufacturers, is proud to be an American company serving the U.S. and the world since 1925. We manufacture in every region in the world to support our global customers, but there's no country where we employ more people than the United States.
2020/06/03A map and links to find information on Superfund sites by state and EPA region. National Priorities List and Superfund Alternative Approach Sites Search for sites proposed to, currently on, and deleted from Superfund's National Priorities List (NPL) as well as sites being addressed under the Superfund
United States Lime Minerals, Inc., (US Lime) is a public company traded on the NASDAQ Global Market under the symbol USLM and conducts its business through two segments: Lime and Limestone Operations, consisting of plants and facilities in Arkansas, Colorado, Louisiana, Oklahoma and Texas, serving markets in the Central United States
Family owned and operated since 1971, Atlantic Hardchrome was the very first industrial hard chrome plating company in Atlantic Canada. Over the past fifty years, the company has grown to become one of the region's most comprehensive industrial manufacturing operations, serving customers in Canada, the United States