platinum metals extracted during the mining and smelting process can also cause significant environmental impacts. in zimbabwe, a study showed that platinum group mining caused significant environmental risks, such as pollution in water sources, acidic water drainage, and environmental degradation.
silver mining has been undertaken since early times. as silver is a precious metal often used for coins, its mining has historically often been lucrative. as with other precious metals such as gold or platinum, newly discovered deposits of silver ore have sparked silver rushes of miners seeking their fortunes. in recent centuries, large .
most platinum isotopes decay by some combination of beta decay and alpha decay. 188 pt, 191 pt, and 193 pt decay primarily by electron capture. 190 pt and 198 pt are predicted to have energetically favorable double beta decay paths.
lonmin plc, formerly the mining division of lonrho plc, is a british producer of platinum group metals operating in the bushveld complex of south africa. it is listed on the london stock exchange.its registered office is in london, and its operational headquarters are in johannesburg, south africa.. lonmin rose to international attention following the marikana miners' strike in august, 2012 .
asteroid mining is the exploitation of seven trust materials from asteroids and other minor planets, including near-earth objects.. hard rock minerals could be mined from an asteroid or a spent comet. precious metals such as gold, silver, and platinum group metals could be transported back to earth, whilst iron group metals and other common ones could be used for construction in space.
the platinum-group metals abbreviated as the pgms; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements pges are six noble, precious metallic elements clustered together in the periodic table.these elements are all transition metals in the d-block groups 8, 9, and 10, periods 5 and 6 .
asteroid mining is the exploitation of seven trust materials from asteroids and other minor planets, including near-earth objects.. hard rock minerals could be mined from an asteroid or a spent comet. precious metals such as gold, silver, and platinum group metals could be transported back to earth, while iron group metals and other common ones could be used for construction in space.
northam platinum has two main mines in south africa located at zondereinde, limpopo province and booysendal, mpumalanga. located close to thabazimbi, the zondereinde mine produces 280,000oz of refined pgms a year in 2016 and has an expected life of more than 20 years.
cynthia blum carroll born november 13, 1956 is a british businesswoman.she was the chief executive officer of anglo american plc, a british mining company, which, among other things, is the world's largest platinum producer.. on october 24, 2006, carroll was hired by anglo american, and joined the board in january 2007, becoming chief executive at the beginning of march 2007.
the dishaba mine is a large open pit mine located in the north-western part of south africa in thabazimbi, limpopo. tumela represents one of the largest platinum reserves in south africa having estimated reserves of 24.6 million oz of platinum. the mine produces around 160,000 oz of platinum/year.
description. la colosa, covering an area of 600 square kilometres 230 sq mi , is the second major greenfield discovery in colombia, after gramalote and believed to have a potential of producing between 800,000 to 1,200,000 ounces 23 to 34 t of gold per year for 20 years. la colosa gold project, started in 2006, is based on low-grade porphyry copper deposits containing a small amount of gold.