tailings
61Wismut (Unternehmen) — Die Unternehmenszentrale in Chemnitz …
62mineral processing — or ore dressing Mechanical treatment of crude ores to separate the valuable minerals. Mineral processing was at first applied only to ores of precious metals but later came to be used to recover other metals and nonmetallic minerals. It is also… …
63Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
64Church Rock uranium mill spill — United Nuclear Corp. Church Rock Superfund site The United Nuclear Corporation Site near Church Rock in McKinley County, New Mexico Geography …
65Roșia Montană —   Commune   Location in Alba County …
66Congress Mine — The Congress Mine is a gold mine located next to Congress, Arizona on the southeastern slope of the Date Creek Mountains, approximately 18 miles north northeast of Wickenburg, Arizona at an elevation of about 3,000 feet (Lat. 34.216… …
67Dam failure — The reservoir emptying through the failed Teton Dam A dam is a barrier across flowing water that obstructs, directs or slows down the flow, often creating a reservoir, lake or impoundments. Most dams have a section called a spillway or weir over… …
68Deep sea mining — is a relatively new mineral retrieval process that takes place on the ocean floor. Ocean mining sites are usually around large areas of polymetallic nodules or active and extinct hydrothermal vents at about 1,400 3,700 meters below the ocean’s… …
69Tailing (Bergbau) — Als Tailing bezeichnet man im Bergbau feinkörnige Rückstände, die in Form von Schlämmen vorliegen. Sie werden an den Entstehungsorten, d. h. an den Minen bzw. Weiterverarbeitungsstätten, in großen, meist mit Dämmen abgetrennten Becken oder… …
70Hematite — For other uses, see Hematite (disambiguation). Hematite Hematite (blood ore) from Michigan (unknown scale) General Category …
