Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike County, Arkansas, in the United States. The park features a 37.5-acre plowed field, the world's only diamond-bearing site accessible to the public. Diamonds have continuously been discovered in the field since 1906, including the Strawn-Wagner Diamond. The site became a state park in 1972 after the Arkansas Department of Parks and Tourism purchased the site from the Arkansas Diamond Company and Ozark Diamond Mines Corporation, who had operated the site as a tourist attraction previously.
The Argyle Diamond Mine is a diamond mine located in the East Kimberley region in the remote north of Western Australia. Argyle is the largest diamond producer in the world by volume, although due to the low proportion of gem-quality diamonds it is set to close by 2020. It is the only known significant source of pink and red diamonds, producing over 90% of the world's supply. It additionally provides a large proportion of other naturally coloured diamonds, including champagne, cognac and rare blue diamonds. On June 21, 2015, after more than 11 years and 42 kilometres of tunnelling, the Argyle underground block cave development was officially completed. In 2013, Argyle is estimated to produce 10.2 million carats with an average per carat price of $25/carat.
First Quantum Minerals Ltd. is a Canadian based mining and metals company whose principal activities include mineral exploration, development and mining. Its main product is copper, which accounts for 80% of revenues. as of 2016.
The Ekati Diamond Mine ("Ekati") is Canada's first surface and underground diamond mine. It is located 310 km (190 mi) north-east of Yellowknife, Northwest Territories, and about 200 km (120 mi) south of the Arctic Circle, near Lac de Gras. Until 2014 Ekati was a joint venture between Dominion Diamond Mines (80%), and the two geologists who discovered kimberlite pipes north of Lac de Gras, Chuck Fipke and Stewart Blusson each holding a 10% stake in the mine, until Fipke sold his share to Dominion.
The Diavik Diamond Mine is a diamond mine in the North Slave Region of the Northwest Territories, Canada, about 300 kilometres (190 mi) northeast of Yellowknife.
Alrosa is a Russian group of diamond mining companies that specialize in exploration, mining, manufacture, and sale of diamonds. The company leads the world in diamond mining by volume. Mining takes place in Western Yakutia, the Arkhangelsk region, and Africa. Alrosa is Russia's leading diamond company accounting for 95% of country's diamond production and 27% of the global diamond extraction.
Canadian diamonds are diamonds which have been mined in any one of the major Provinces and territories of Canada. Diamond-rich areas weren't discovered in Canada until the early 1990s. Before that time, diamonds were only known by Indigenous communities. For the first 60 years of the 20th century, diamonds originated from kimberlite pipes and alluvial deposits in places such as Africa and some from South America. Later, diamond discoveries were made in the Soviet Union. Since the 1990s, major diamond discoveries were made and mining operations began. Canadian diamonds play a large role in the world market of diamonds.
Paladin Energy Ltd is a Western Australian based uranium production company.
The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana's mining and minerals development industry remains focused on gold. Ghana is Africa's largest gold producer, producing 80.5 t in 2008. Ghana is also a major producer of bauxite, manganese and diamonds. Ghana has 23 large-scale mining companies producing gold, diamonds, bauxite and manganese, and, there are also over 300 registered small scale mining groups and 90 mine support service companies.
Mining in Angola is an activity with great economic potential since the country has one of the largest and most diversified mining resources of Africa. Angola is the third largest producer of diamonds in Africa and has only explored 40% of the diamond-rich territory within the country, but has had difficulty in attracting foreign investment because of corruption, human rights violations, and diamond smuggling. Production rose by 30% in 2006 and Endiama, the national diamond company of Angola, expects production to increase by 8% in 2007 to 10,000,000 carats (2,000 kg) annually. The government is trying to attract foreign companies to the provinces of Bié, Malanje and Uíge. Angola has also historically been a major producer of iron ore.
Petra Diamonds Ltd is a diamond mining group headquartered in Jersey. It has a diversified portfolio, with interests in eight producing mines in South Africa and Tanzania and an exploration programme in Botswana. Petra Diamonds' focus has shifted from exploration to production, becoming one of the largest independent producers of diamonds in Africa. In June 2012, Petra owns 5 of the world's most productive mines historically. These mines include the Cullinan Diamond Mine famed for having produced the world's largest rough and polished diamond. It is listed on the London Stock Exchange.
The Birim River is one of the main tributaries of the Pra River in Ghana and the country's most important diamond-producing area, flowing through most of the width of the Eastern region. The river rises in the east of the Atewa Range, flows north through the gap between this range and the Kwahu Plateau, then runs roughly south-west until it joins the Pra. It gives its name to the Birimian rock formation, which yields most of the gold in the region. Ghana is the second largest producer of gold in Africa.
Lucara Diamond Corp. is a diamond exploration and mining company, operating in southern Africa but established in Canada. In November 2015, Lesedi La Rona, the world's second largest gem-quality diamond ever found, was found at the Karowe mine in Botswana.
The mining industry of Sierra Leone accounted for 4.5 percent of the country's GDP in 2007 and minerals made up 79 percent of total export revenue with diamonds accounting for 46 percent of export revenue in 2008. The main minerals mined in Sierra Leone are diamonds, rutile, bauxite, gold, iron and limonite.
Dan Gertler is an Israeli billionaire businessman in natural resources and the founder and President of the DGI Group of Companies. He has diamond and copper mining interests in the Democratic Republic of the Congo (DRC) and has invested in iron ore, gold, cobalt, oil, agriculture, and banking. As of 2015 his fortune was estimated at $1.26 billion by Forbes.
Ivanhoe Mines Ltd. is a Canadian mining company headquartered in Vancouver, British Columbia. It has the same management team as the original, pre-2012 Ivanhoe Mines, now known as Turquoise Hill Resources. Ivanhoe is listed on the Toronto Stock Exchange, and has two projects in the Democratic Republic of the Congo (DRC), and one in South Africa, but no producing mines.
Anhui Foreign Economic Construction Group (AFECC) is a Chinese construction and mining company with an international focus that includes 14 overseas subsidiaries in Asia, Europe, Africa, the Caribbean, and Pacific Islands. Based on the value of 2011 deals, the company ranks among the top 225 contractors in terms of international projects.
The Simandou mine is a large iron mine located in the Simandou mountain range of southern Guinea's Nzérékoré Region. Simandou represents one of the largest iron ore reserves in Guinea and in the world, having estimated reserves of 2.4 billion tonnes of ore grading 65% iron metal.
The mining industry of Guinea was developed during colonial rule. The minerals extracted consisted of iron, gold, diamond, and bauxite. Guinea ranks first in the world in bauxite reserves and 6th in the extraction of high-grade bauxite, the aluminium ore. The mining industry and exports of mining products accounted for 17% of Guinea’s gross domestic product (GDP) in 2010. Mining accounts for over 50% of its exports. The country accounts for 94% of Africa’s mining production of bauxite. The large mineral reserve, which has mostly remained untapped, is of immense interest for international firms.
