zinc mining is the process by which mineral forms of the metal zinc are extracted from the earth through mining. a zinc mine is a mine that produces zinc minerals in ore as its primary product. common co-products in zinc ores include minerals of lead and silver.
the mcarthur river mine is one of the world's largest zinc, lead and silver mines, situated about 70 kilometres southwest of borroloola, near the gulf of carpentaria in the northeastern northern territory, australia.it is operated by mcarthur river mining mrm , a subsidiary of the swiss mining company glencore.although discovered in the 1950s, when it was originally called the hyc or 'here's .
the largest factory in the town is the miasteczko śląskie zinc smelter. this metallurgical plant was originally built under license for the british company imperial smelting processes of bristol. now a modern plant, ore processing is carried out in a continuous process, producing both zinc and lead.
skorpion zinc is a zinc mine in the ǁkaras region of southern namibia, producing special high grade shg zinc. the mine is situated near rosh pinah. it was established at a cost of us$450 million by anglo american in 2003. it is the tenth-largest zinc mine in the world, and the largest employer in rosh pinah, providing 1,900 jobs.
the albion process is an atmospheric leaching process for processing zinc concentrate, refractory copper and refractory gold. the process is important because it is the most cost-effective method currently in use for extracting both the zinc and lead from concentrates that contain high lead levels 7% or greater . zinc and lead often occur .
the ore is finely ground, then put through froth flotation to separate minerals from gangue on the property of hydrophobicity , to get a zinc sulfide ore concentrate consisting of about 50% zinc, 32% sulfur, 13% iron, and 5% sio
leaching is a process widely used in extractive metallurgy where ore is treated with chemicals to convert the valuable metals within into soluble salts while impurity remain insoluble.these can then be washed out and processed to give the pure metal; the material left over is commonly referred to as tailings.compared to pyrometallurgy leaching is easier to perform, requires less energy and is .
rio tinto also performs processing on some of these materials, with plants dedicated to processing bauxite into alumina and aluminium, and smelting iron ore into iron. the company also produces other metals and minerals as byproducts from the processing of its main resources, including gold, silver, molybdenum , sulphuric acid , nickel, potash , lead, and zinc . 6
rössing uranium ltd. processed about 12 million metric tons of ore in 2006 and produced 3,617 tons of uranium oxide u 3 o 8 , and in 2009 they processed 12.6 million tonnes of uranium ore and produced 4150 tonnes of uranium oxide in comparison to 4067 tonnes in the previous year.
in 2012, namibia produced 7.1% of uranium oxide, behind kazakhstan, canada, australia, and niger. rössing uranium ltd. processed about 12 million metric tons of ore in 2006 and produced 3,617 t of u3o8.
rössing is a low-grade ore body of huge extent. producing 1,000 tonnes of uranium oxide requires processing of 3 million tonnes of ore, and in 2005 19.5 million tonnes of rock were mined and transported from the open pit to the processing plant.