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Indium is a chemical element; it has symbol In and atomic number 49. It is a silvery-white post-transition metal and one of the softest elements. Chemically, indium is similar to gallium and thallium, and its properties are largely intermediate between the two. It was discovered in 1863 by Ferdinand Reich and Hieronymous Theodor Richter by spectroscopic methods and named for the indigo blue line in its spectrum.
Sphalerite is a sulfide mineral with the chemical formula (Zn,Fe)S. It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide deposits. It is found in association with galena, chalcopyrite, pyrite, calcite, dolomite, quartz, rhodochrosite, and fluorite.
The Economy of the Empire of Japan refers to the period in Japanese economic history in Imperial Japan that began with the Meiji Restoration in 1868 and ended with the Surrender of Japan in 1945 at the end of World War II. It was characterized by a period of rapid industrialization in the late nineteenth and early twentieth centuries, and the dominance of a wartime economy from 1938 to 1945.
Siberian natural resources refers to resources found in Russian Siberia, in the North Asian Mainland. The Siberian region is rich in resources, including coal, oil and metal ores.
Mining in Japan is minimal because Japan does not possess many on-shore mineral resources. Many of the on-shore minerals have already been mined to the point that it has become less expensive to import minerals. There are small deposits of coal, oil, iron and minerals in the Japanese archipelago. Japan is scarce in critical natural resources and has been heavily dependent on imported energy and raw materials. There are major deep sea mineral resources in the seabed of Japan. This is not mined yet due to technological obstacles for deep sea mining.
Heath Steele Mines, situated 60 km (37 mi) northwest of Newcastle, New Brunswick, Canada, at the headwaters of the Tomogonops and Little Rivers, was a large and productive copper, lead, and zinc mine which operated from 1956 to 1999. The mine was an economic cornerstone of Miramichi communities throughout this period.
South Crofty is a metalliferous tin and copper mine located in the village of Pool, Cornwall, England. An ancient mine, it has seen production for over 400 years, and extends almost two and a half miles across and 3,000 feet (910 m) down and has mined over 40 lodes. Evidence of mining activity in South Crofty has been dated back to 1592, with full-scale mining beginning in the mid-17th century. The mine went into serious decline after 1985 and eventually closed in 1998. After several changes of ownership, South Crofty is owned by Cornish Metals Inc, which is working to re-open the mine, as of November 2022, having received a permit for dewatering the mine.
Tajikistan has rich deposits of gold, silver, and antimony. The largest silver deposits are in Sughd Province, where Tajikistan's largest gold mining operation is also located. Russia's Norilsk nickel company has explored a large new silver deposit at Bolshoy Kanimansur. More than 400 mineral deposits of some 70 different minerals have been discovered in Tajikistan, including strontium, tungsten, molybdenum, bismuth, salt, lead, zinc, fluorspar, and mercury. These minerals have been found suitable for mining. Uranium, an important mineral in the Soviet era, remains in some quantity but is no longer being extracted. The Tajikistan Aluminium Company (TALCO), an aluminium smelter, is the country's only large-scale production enterprise in the mining sector. Tajikistan hosts the annual Mining World Tajikistan, an international exhibition on mining in Dushanbe.
Resources are classified as either biotic or abiotic on the basis of their origin. India contains a multitude of both types of resource and its economy, especially in rural areas, is heavily dependent on their consumption or export. Due to overconsumption, they are rapidly being depleted.
Adex Mining Inc. is a Toronto, Ontario, Canada-based mining exploration company engaged in the development of its wholly owned Mount Pleasant Mine property in Charlotte County, New Brunswick, Canada. According to the Government of Canada report, Mount Pleasant is "North America's largest tin deposit and the world's largest reserve of indium." The company's stock trades on the TSX Venture Exchange under the symbol ADE.
The Cavnic mine is a large mine located in the northwest of Romania in Maramureș County, 26 km southwest of Baia Mare and 576 km north of the capital, Bucharest. Cavnic represents one of the largest polymetallic reserves in Romania having significant reserves of gold, silver, copper, lead and zinc amounting to 20 million tonnes of ore grading 1g/t gold, 30g/t silver, 2% lead, 3% zinc and 1% copper. The resources amount to 640,000 oz of gold, 19.2 million oz of silver, 400,000 tonnes of lead metal, 600,000 tonnes of zinc metal, and 200,000 tonnes of copper metal.
The Bathurst Mining Camp is a mining district in northeast New Brunswick, Canada, centred in the Nepisiguit River valley, and near to Bathurst. The camp hosts 45 known volcanogenic massive sulfide (VMS) deposits typical of the Appalachian Mountains. Some of the ore is smelted at the Belledune facility of Xstrata. Although the primary commodity is zinc, the massive-sulphide ore body produces lead, zinc, copper, silver, gold, bismuth, antimony and cadmium.
Dzhalindite is a rare indium hydroxide mineral discovered in Siberia. Its chemical formula is In(OH)3.
The Valea Blaznei mine is a large mine in the north of Romania in Rodna, Bistrița-Năsăud County, 50 km southwest of Bistrița and 699 km north-west of the capital, Bucharest. Valea Blaznei represents one of the largest lead and zinc reserve in Romania having estimated reserves of 10.5 million tonnes of ore grading 0.76% lead and 2.48% zinc thus resulting in 0.08 million tonnes of lead and 0.26 million tonnes of zinc.
The Făget mine is a large mine in the northwest of Romania in Rodna, Bistrița-Năsăud County, 50 km southwest of Bistriţa and 699 km north-west of the capital, Bucharest. Făget represents one of the largest lead and zinc reserve in Romania having estimated reserves of 9.25 million tonnes of ore grading 0.79% lead and 2.48% zinc thus resulting in 0.07 million tonnes of lead and 0.23 million tonnes of zinc.
SSR Mining Inc., formerly Silver Standard Resources is a Denver-based gold, silver, copper, lead and zinc producer that owns the largest silver mine in Argentina. In addition it engages in exploration activity throughout the Americas and Turkey. In 2020, SSR Mining merged with Alacer Gold. Since the merger, the company has moved headquarters to Denver, Colorado. Rodney P. Antal is now the president and CEO of SSR mining. In February 2021, SSR Mining announced that Alison White would be the new executive vice president and CFO. In addition, the rest of the executive team at SSR mining was added following the closure of the merger between SSR and Alacer Gold. Stewart Beckman is the executive vice president and COO ; F. Edward Farid is the vice president and CCDO. Michael J. Sparks is the vice president and chief legal and administrative officer. In addition, the rest of the leadership team and information can be found on their website. The merger created a company worth $4.0 billion
Mining in North Korea is important to the country's economy. North Korea is naturally abundant in metals such as magnesite, zinc, tungsten, and iron; with magnesite resources of 6 billion tonnes, particularly in the North and South Hamgyong Province and Chagang Province. However, often these cannot be mined due to the acute shortage of electricity in the country, as well as the lack of proper tools to mine these materials and an antiquated industrial base. Coal, iron ore, limestone, and magnesite deposits are larger than other mineral commodities. Mining joint ventures with other countries include China, Canada, Egypt, and South Korea.
The George Fisher Mine is a mine located near Mount Isa in Queensland, Australia. It is one of the largest zinc, lead and silver mines in the world. The mine is located 20 kilometres (12 mi) north of Mount Isa in North West Queensland. It mine has estimated reserves of 150.4 million ounces of silver. It was named after George Fisher, the former chairman of Mount Misa Mines.
Zinc mining in the United States produced 780,000 tonnes of zinc in 2019, making it the world's fourth-largest zinc producer, after China, Australia, and Peru. Most US zinc came from the Red Dog mine in Alaska. The industry employed about 2,500 in mining and milling, and 250 in smelting.
Sisson Mine is a proposed tungsten and molybdenum mine which would be sited near the town of Stanley, 60 km North-West of Fredericton, New Brunswick, Canada. The mine would be among the world's largest tungsten mines, with reserves equating to 227 kilotonnes of elemental tungsten (W). The claim owner, Sisson Mines Ltd., proposes to mine 30,000 tonnes per day of ore which contains on average 0.06 per cent tungsten trioxide (WO3) and smaller amounts of molybdenum. The tungsten component of the ore would be refined into an intermediate product ammonium paratungstate (APT) for shipment. Five hundred fifty seven thousand metric ton units (mtu) of APT would be produced per year, which equates to 4,457 tonnes of tungsten metal per year.
References
- 1 2 "The North Zone". adexmining.com. 2013. Retrieved 2013-06-20.
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