Underground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, such as ore containing gold, silver, iron, copper, zinc, nickel, tin, and lead. It also involves the same techniques used to excavate ores of gems, such as diamonds and rubies. Soft-rock mining refers to the excavation of softer minerals, such as salt, coal, and oil sands.
Five Islands is a rural community in Colchester County Nova Scotia with a population of 316 located on the north shore of Minas Basin, home of the highest tides in the world. It is named after five small islands – Moose, Diamond, Long, Egg, and Pinnacle – located just off the coast. The islands are an exposed part of the North Mountain Basalt. Moose Island is in Colchester County. The remaining islands are in Cumberland County. Beyond Pinnacle Island is a seastack called Pinnacle Rock.
The Westray Mine was a Canadian coal mine in Plymouth, Nova Scotia. Westray was owned and operated by Curragh Resources Incorporated, which obtained both provincial and federal government money to open the mine, and supply the local electric power utility with coal.
Red Lake is a municipality with town status in the Canadian province of Ontario, located 535 km (332 mi) northwest of Thunder Bay and less than 100 km (62 mi) from the Manitoba border. The municipality consists of six small communities—Balmertown, Cochenour, Madsen, McKenzie Island, Red Lake and Starratt-Olsen—and had a population of 4,107 people in the Canada 2016 Census.
The Musquodoboit Valley is a valley and region in the Halifax Regional Municipality of Nova Scotia, Canada. It is administratively located in the municipality's Musquodoboit Valley & Dutch Settlement planning area and the western edge of the valley includes communities that are considered part of the commutershed for the urban area of the Halifax Regional Municipality. The picturesque Musquodoboit River flows through majority of the valley, passing by most of the communities in the valley. The river is approximately 97 kilometres (60 mi) long and originates in the extreme northeastern area of the valley. The three largest communities in the valley are Upper Musquodoboit, Middle Musquodoboit and Musquodoboit Harbour. The word "Musquodoboit" is derived from the Mi’kmaq language and means "rolling out in foam".
CHNS-FM is a commercial FM radio station, in Halifax, Nova Scotia, Canada. The station airs a classic hits radio format branded as 89.9 The Wave. CHNS is owned and operated by the Maritime Broadcasting System which also owns sister station CHFX-FM.
In the United States, gold mining has taken place continually since the discovery of gold at the Reed farm in North Carolina in 1799. The first documented occurrence of gold was in Virginia in 1782. Some minor gold production took place in North Carolina as early as 1793, but created no excitement. The discovery on the Reed farm in 1799 which was identified as gold in 1802 and subsequently mined marked the first commercial production.
Gold mining in Colorado, a state of the United States, has been an industry since 1858. It also played a key role in the establishment of the state of Colorado.
Silver mining in Nevada, a state of the United States, began in 1858 with the discovery of the Comstock Lode, the first major silver-mining district in the United States. Nevada calls itself the "Silver State." Nevada is the nation's second-largest producer of silver, after Alaska. In 2014 Nevada produced 10.93 million troy ounces of silver, of which 6.74 million ounces were as a byproduct of the mining of gold. The largest byproducers were the Hycroft Mine, the Phoenix Mine, the Midas Mine and Round Mountain.
Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory in 1867 from the Russian Empire. Russian explorers discovered placer gold in the Kenai River in 1848, but no gold was produced. Gold mining started in 1870 from placers southeast of Juneau, Alaska.
The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports. 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 20 large-scale mining companies producing gold, diamonds, bauxite and manganese; over 300 registered small scale mining groups; and 90 mine support service companies. Other mineral commodities produced in the country are natural gas, petroleum, salt, and silver.
The Nome mining district, also known as the Cape Nome mining district, is a gold mining district in the U.S. state of Alaska. It was discovered in 1898 when Erik Lindblom, Jafet Lindeberg and John Brynteson, the "Three Lucky Swedes", found placer gold deposits on Anvil Creek and on the Snake River few miles from the future site of Nome. Word of the strike caused a major gold rush to Nome in the spring of 1899.
The Sunrise Dam Gold Mine is located 55 km south of Laverton, Western Australia, on the eastern margin of Lake Carey. It is fully owned by AngloGold Ashanti and comprises a large-scale mechanized underground mine with a conventional gravity and leach process plant. In 2015 the mine accounted for 5% of the company's production.
The Canadian Malartic Corporation is a mining company that operates the Malartic mine near Malartic, Quebec. Prior to 2014 the company was a public company named Osisko Mining Corporation with shares listed on the Toronto Stock Exchange and New York Stock Exchange. In 2014, Osisko Mining was subject to a hostile takeover bid by Goldcorp but an alternative bid by white knights Yamana Gold and Agnico Eagle Mines Limited was accepted that, in addition to offering a higher price, created the spin-off Osisko Gold Royalties and turned Osisko Mining Corporation into the subsidiary company Canadian Malartic Corporation jointly owned by Yamana Gold and Agnico Eagle. From its founding in 1982 until 2006, Osisko Mining bought and sold mineral exploration rights in Quebec, conducting exploration work. The company acquired an interest in the Canadian Malartic property in 2004 and after promising feasibility studies the mine was constructed with commercial production achieved in May 2011.
Orex Exploration is a former Canadian gold mining company that conducted exploration work on mining properties it owned in the Goldboro and Guysborough County areas of Nova Scotia. The properties owned by Orex were the sites of the former Boston Richardson Mine, Dolliver Mountain Mine, West Goldbrook Mine, and East Goldbrook Mine which operated between 1892 and 1912. Headquartered in Rouyn-Noranda, Quebec, the company was founded in 1987 and raised funds for exploration work, in part, by issuing stocks traded on the Montreal Stock Exchange and then the TSX Venture Exchange. It became a subsidiary of Anaconda Mining Inc. after Anaconda acquired the company in a stock swap deal in 2017.
The Omai Gold Mine is located in Guyana on the north coast of South America near the west bank of the Essequibo River in the interior of the country. Access to Omai is by road from the capital of Georgetown on the coast, and from the town of Linden approximately 60 km away. There is an operational airstrip on site which can accommodate aircraft from Georgetown. Gold mining at Omai is known from at least the 1880s, and when it was developed as a large scale mine in 1992 by Cambior, the mine was the largest gold mine in the Guiana Shield and a major source of income and employment in Guyana. During the period from 1992 – 2005, Omai produced 3.7 Moz of gold at an average grade of 1.5 g/t Au from the Fennell and the Wenot open pits.
Gold mining has been a part of Nova Scotia's heritage for 150 plus years and continues to this day. Over a million ounces of gold have been produced in the province since mining began in 1861. Although not as well known as the gold rushes of California, the Klondike, Australia, and South Africa, three distinct rushes resulted in an economic boom in the province and saw the birth and sometimes demise of many new communities.
Mount Polley mine is a Canadian gold and copper mine located in British Columbia near the towns of Williams Lake and Likely. It consists of two open-pit sites with an underground mining component and is owned and operated by the Mount Polley Mining Corporation, a wholly owned subsidiary of Imperial Metals. In 2013, the mine produced an output of 38,501,165 pounds (17,463,835 kg) of copper, 45,823 ounces of gold, and 123,999 of silver. The mill commenced operations in 1997 and was closed and placed on care and maintenance in 2019. The company owns 20,113 hectares (201.13 km2) of property near Quesnel Lake and Polley Lake where it has mining leases and operations on 2,007 hectares (20.07 km2) and mineral claims on 18,106 hectares (181.06 km2). Mineral concentrate is delivered by truck to the Port of Vancouver.
The Eastern Shore is a tourism region of the province of Nova Scotia, Canada. It provides two percent of the revenue for the province's tourism economy. One of its key features is an archipelago known as the 100 Wild Islands area.
Coldstream Copper Mine, sometimes called the North Coldstream Copper Mine, the Coldstream Mine, or the North Coldstream Mine is a decommissioned former copper, silver and gold mine adjacent to Burchell Lake. It is located 11km south of Kashabowie, in Northern Ontario, Canada.
