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The Padcal tailings spills of August–September 2012 were a series of mine tailings spills from Tailings Pond 3 of the Philex Mining Corporation's Padcal mine in Benguet Province, Philippines. The incident began on August 1, 2012, with a massive release on the order of 5 million tonnes or 3 million cubic meters of water and tailings from a ...
The mining and processing byproducts collected in tailings dams are not part of the aerobic ecological systems, and are unstable. They may damage the environment by releasing toxic metals (arsenic and mercury among others), by acid drainage (usually by microbial action on sulfide ores), or by damaging aquatic wildlife that rely on clear water.
The PSE Mining and Oil Index is the sub-index of the Philippine Stock Exchange for mining and oil companies. It is one of the six sub-indices of the PSE that provide a useful measurement of sectoral performance. [1] Lepanto Consolidated Mining Company and Philex Mining Corporation used to be listed in the PSE until their removal in the 2010s.
A mining feasibility study is an evaluation of a proposed mining project to determine whether the mineral resource can be mined economically. There are three types of feasibility study used in mining, order of magnitude , preliminary feasibility and detailed feasibility.
The report updates similar findings made by the United States Geological Survey in July 2004. As of 2005 Placer Dome (which ran the mine at the time of the disaster) was the sixth largest gold mining company in the world and was listed on the Toronto Stock Exchange, [12] but it has since been acquired and is no longer an independent company. At ...
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Mine reclamation is the process of modifying land that has been mined to restore it to an ecologically functional or economically usable state. Although the process of mine reclamation occurs once mining is complete, the planning of mine reclamation activities may occur prior to a mine being permitted or started. [1]
The broad form deed is based on the premise of severing the surface and mineral rights of property. The precedence of this idea comes from English legal theory. [2] In this theory the King retained rights to various minerals on landowners estates for the purposes of maintaining the operations of the country and as such the King had authority to mine for those minerals. [2]