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Ilmenite is a titanium-iron oxide mineral with the idealized formula FeTiO
3. It is a weakly magnetic black or steel-gray solid. Ilmenite is the most important ore of titanium and the main source of titanium dioxide, which is used in paints, printing inks, fabrics, plastics, paper, sunscreen, food and cosmetics.
In geology, a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation from a specific source rock during sedimentary processes. The name is from the Spanish word placer, meaning "alluvial sand". Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers.
Rio Tinto Group is an Anglo-Australian multinational company that is the world's second-largest metals and mining corporation. The company was founded in 1873 when of a group of investors purchased a mine complex on the Rio Tinto, in Huelva, Spain, from the Spanish government. It has grown through a long series of mergers and acquisitions. Although primarily focused on extraction of minerals, Rio Tinto also has significant operations in refining, particularly the refining of bauxite and iron ore. Rio Tinto has joint head offices in London and Melbourne.
Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare-earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones.
The Tiwest Joint Venture was a joint venture between Tronox Western Australia Pty Ltd and subsidiaries of Exxaro Australia Sands Pty Ltd. The Tiwest Joint Venture was a mining and processing company, established in 1988, to extract ilmenite, rutile, leucoxene and zircon from a mineral sands deposit at Cooljarloo, 14 km north of Cataby, Western Australia. As of June 2012, the joint venture was formally dissolved, when Tronox acquired the mineral-sands-related divisions of Exxaro outright.
Titanium mining in Africa has been beset by environmental problems due to the polluting nature of processing rutile, a principal titanium ore. Titanium production in Africa includes the following principal countries and companies.
Kenmare Resources plc is a publicly traded mining company headquartered in Dublin, Republic of Ireland. Its primary listing is on the London Stock Exchange and it has a secondary listing on Euronext Dublin. Kenmare is one of the world's largest mineral sands producers and the Company owns and operates the Moma Titanium Minerals Mine. Moma is one of the world's largest titanium minerals deposits, located 160 km from the city of Nampula in Mozambique.
Aluminium in Africa originates from bauxite, and within Africa is primarily found in Guinea, Mozambique and Ghana. Guinea is by far the biggest producer in Africa, and is a world leader in bauxite production.
Iluka Resources is an Australian-based resources company, specialising in mineral sands exploration, project development, operations and marketing. Iluka is the largest producer of zircon and titanium dioxide-derived rutile and synthetic rutile globally. Iluka mines heavy mineral sands and separates the concentrate into its individual mineral constituents rutile, ilmenite, and zircon. Some of the ilmenite is then processed into synthetic rutile.
The mineral industry of Mozambique plays a significant role in the world's production of aluminium, beryllium, and tantalum. In 2006, Mozambique's share of the world's tantalum mine output amounted to 6%; beryllium, 5%; and aluminium, 2%. Other domestically significant mineral processing operations included cement and natural gas.
QIT Madagascar Minerals (QMM) is a mining company located in the Fort-Dauphin region of southeastern Madagascar. After roughly 20 years of exploration, negotiations, and preliminary work, the company began production of the titanium dioxide ore, ilmenite. Initial capacity is projected at 750,000 tonnes per year, with future phases of development potentially expanding capacity to 2,000,000 tonnes per year. The mine is 80% owned by QIT-Fer et Titane, a wholly owned subsidiary of the mining giant Rio Tinto Group; the remaining 20% is owned by the government of Madagascar.
Kerala Minerals and Metals Ltd is an integrated titanium dioxide manufacturing public sector undertaking in Kollam, Kerala, India. Its operations comprise mining, mineral separation, synthetic rutile and pigment-production plants. Apart from producing rutile-grade titanium dioxide pigment for various types of industries, it also produces other products like ilmenite, rutile, zircon, sillimanite, synthetic rutile etc. It is one of the best performing Public Sector Units in India. The company manufactures titanium dioxide through the chloride route. The different grades are produced by KMML under the brand name KEMOX.
Siman Povarenkin is an Armenian entrepreneur with investments in metals & mining, geophysics and medical and health technology in Asia, Europe and Latin America. Povarenkin graduated from the Omsk State University with a degree in Chemistry and Petroleum Chemicals. In addition, he has completed courses in finance and banking at the Academy of Economics in Moscow, Bank Tutors Institute in Frankfurt, and the Intellectual Fund in Paris.
Kollam or Quilon is an old seaport and a city on the Laccadive Sea coast in Kerala, India, on Ashtamudi Lake. The city remains notable as the ancient commercial capital of Kerala and the southwestern Indian coast, in addition to its fame as the "Cashew Capital of the World". The Kollam Municipal Corporation has the second largest budget in Kerala in terms of revenue and expenditure.
The mining industry of Madagascar is on a small scale, centred mainly around remote locations with large mineral deposits. Mining potential is noted in industrial and metallic minerals, energy, precious and semi-precious stones, as well as ornamental stone. The mining sector was neglected by the government for decades prior to the mid-2000s. In 2013, the mining industry, a main source of foreign investment, was struggling due to "low metals prices and distrustful companies", attributed to a 2009 coup.
The mining industry of Senegal is mainly centred on the production of phosphates and industrial limestone. Senegal is one of the leading producers of phosphates in the world, accounting for about 6% of exports in 2006, and deposits are of a particularly high quality. In the coastal region of the country, titanium-bearing minerals have been found and the reserve is estimated at 10 million tons. The mineral sector's exports accounts for 20% of total exports of the country and constitutes 20% of the GDP.
Sierra Rutile Limited is a mining company with headquarters based in Freetown, Sierra Leone. The company currently has operating mines for Rutile, ilmenite, zircon, and titanium dioxide minerals in South and Northwest Sierra Leone, specifically in the Moyamba and Bonthe Districts. Australian-based Iluka Resources Limited acquired the company in December 2016 and subsequently installed new and currently acting CEO Rob Hattingh.
The Barrytown Flats are a 17 km (11 mi) coastal plain north of Greymouth on the West Coast of New Zealand's South Island. A series of postglacial shorelines and dunes backed by a former sea cliff, they was originally covered with wetland and lowland forest, including numerous nīkau palms. The sands were extensively sluiced and dredged for gold from the 1860s, centred on the small settlement of Barrytown. The drier areas of the flats have been converted into pasture, but significant areas of forest remain, including Nikau Scenic Reserve. The flats are bordered by Paparoa National Park and the only breeding site of the Westland petrel. There are significant deposits of ilmenite in the Barrytown sands, and there have been several mining proposals, but the possible environmental consequences have been contentious.
The Bolobedu Solar Power Station is an 148 MW solar power plant planned in South Africa. The solar farm is owned and under development by a consortium led by Voltalia, the French multinational independent power producer (IPP) and Black South African shareholders, including a community trust. The off-taker of the power generated here is Richards Bay Minerals (RBM), a South African mining company owned by the Anglo-Australian mining conglomerate, Rio Tinto. The power will be conveyed from the solar farm to the customer's mine using the transmission lines of Eskom, the national electricity parastatal company, as is permissible under South African law.
References
- 1 2 "Richards Bay Minerals website". Rio Tinto . Retrieved 7 October 2015.
- ↑ "Life of a mine". www.riotinto.com. 10 October 2014. Retrieved 30 December 2019.
- ↑ "Rio Tinto Doubles Stake in Richards Bay Minerals". 1 February 2012.
- ↑ "Rio Tinto approves $463 million investment in Zulti South". www.riotinto.com. 8 April 2019. Retrieved 30 December 2019.
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