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Agnew Lake Mine

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The Agnew Lake Mine was a uranium mine located in the township of Hyman approximately 10 kilometres (6.2 mi) northeast of Agnew Lake , Ontario and 75 kilometres (47 mi) east of Elliot Lake , Ontario .

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14-516: 90 holes were diamond drilled by New Thurbois Mines Limited in 1954 to 1955. In 1956, Canadian Thorium Corporation Limited purchased the site and completed ground geophysics and mapping. Kerr Addison Mines Limited and Quebec Mattagami Minerals continued to develop the site in 1965 to 1967. Agnew Lake Mines Limited bought the property in 1967 and continued the property development, and started mining. The mine began producing uranium in 1977, utilizing both underground and surface mining techniques. Agnew Lake

28-472: Is contained within a pyritic quartz-pebble conglomerate that unconformably overlies granitic rocks. This is similar to the style of mineralization found in the Elliot Lake uranium camp. Kerr Addison Mines Ltd. Canadian Associated Goldfields Kerr-Addison Gold Mines Kerr Addison Mines Ltd was a Toronto-based mining and gas company that owned various mines throughout Canada, including

42-660: The Agnew Lake Mine , the Kerr-Addison Mine and Chesterville gold mine . In the 1960s, Kerr Addison was Canada's largest gold producer. The injury of a snowmobiler on company property in 1975 led to a Supreme Court of Canada judgement setting precedent for future Occupier's Liability cases in Canada. In 1904, H. L. Kerr was prospecting for uranium around Larder Lake and identified an area that he wanted to return to. Kerr spoke to Bill Addison, who visited

56-597: The Kerr-Addison Mine near Larder Lake . Between 1938 and 1996, it produced more than 12 million ounces of gold, and employed 2,500 people. In 1964 Kerr Addison was Canada's largest gold producer, having produced $ 256,745,022 of gold from 28,516,503 tons of ore milled. Kerr Addison had a 90% ownership stake in Agnew Lake Uranium Mine taking over ownership from New Thurbois Mines Ltd and developing it in conjunction with Quebec Mattagami Minerals. From 1965 to 1967 undertook drilling before developing

70-462: The area in 1906. Shortly afterwards they formally registered their claim, formed Kerr Addison Gold Mines, and started the Kerr-Addison Mine . Production was slow in initial years, and ownership of the mine officially changed hands three times, with the third owner being Associated Goldfields Limited, buying the mine in 1917. Associated Goldfields Limited became Canadian Associated Goldfields in 1921 and went bankrupt in 1928. Proprietary Mines Limited

84-414: The early 1990s. In 2005 and 2006 472m of diamond drilling was completed by Ursa Major Minerals Incorporated. Nyah Resources Incorporated did seven more diamond drill holes in 2007. In 2017, Skead Holdings Incorporated did a ground geophysical survey. The uranium mineralization at Agnew Lake is contained within a pyritic quartz-pebble conglomerate that unconformably overlies granitic rocks. This

98-870: The executive vice president was P. S. Cross, WIliam James was the CEO, and W. S. Row was the chairman of the board. As of 1982, Ian D. Bayer was the president and CEO and major shareholder. The Supreme Court of Canada made a precedent-setting tort judgement in the Occupier's Liability case brought by Peter Veinot against Kerr Addison Mines Limited in 1975. Veinot sustained serious facial injuries from hitting an iron bar while travelling on his snowmobile on Kerr Addison's land. Activities included mining and processing zinc, gold, and uranium, as well as extracting natural gas. Between 1959 and 1961, along with other mining companies, Kerr-Addison undertook aeromagnetic surveys throughout northwestern Ontario . Kerr Addison owned

112-513: The shaft capped. Monitoring of the site was carried out by Kerr Addison between 1983 and 1988, with the property being turned over to the Ontario government in the early 1990s. In 2005 and 2006 472m of diamond drilling was completed by Ursa Major Minerals Incorporated. Nyah Resources Incorporated did seven more diamond drill holes in 2007. In 2017, Skead Holdings Incorporated did a ground geophysical survey. The uranium mineralization at Agnew Lake

126-420: The site in 1965 to 1967. Agnew Lake Mines Limited bought the property in 1967 and continued the property development, and started mining. The mine began producing uranium in 1977, utilizing both underground and surface mining techniques. Agnew Lake was the first biohydrometallurgy mining operation. Underground mining was done via sublevel stoping, with oversize rock skipped to surface via a shaft, bioleaching

140-556: The site. The company produced 1.1 million pounds of uranium oxide out of 2.8 million tons of ore between 1977 and 1983. Their clients included Swedish Nuclear Fuel . Kerr Addison had a 75% ownership stake in Mogul Ireland Limited as well as mining assets in British Columbia and Alberta. As of 31 Dec 1977, the company had assets worth $ 57 million. Agnew Lake Mine The Agnew Lake Mine

154-467: Was a uranium mine located in the township of Hyman approximately 10 kilometres (6.2 mi) northeast of Agnew Lake , Ontario and 75 kilometres (47 mi) east of Elliot Lake , Ontario . 90 holes were diamond drilled by New Thurbois Mines Limited in 1954 to 1955. In 1956, Canadian Thorium Corporation Limited purchased the site and completed ground geophysics and mapping. Kerr Addison Mines Limited and Quebec Mattagami Minerals continued to develop

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168-416: Was carried out both underground and on surface stockpiles to produce Triuranium octoxide (U 3 O 8 ). By the end of 1980 underground mining stopped, and by 1983 the mine closed. The Agnew Lake mine site was decommissioned, buildings removed, and the shaft capped. Monitoring of the site was carried out by Kerr Addison between 1983 and 1988, with the property being turned over to the Ontario government in

182-422: Was the first biohydrometallurgy mining operation. Underground mining was done via sublevel stoping, with oversize rock skipped to surface via a shaft, bioleaching was carried out both underground and on surface stockpiles to produce Triuranium octoxide (U 3 O 8 ). By the end of 1980 underground mining stopped, and by 1983 the mine closed. The Agnew Lake mine site was decommissioned, buildings removed, and

196-473: Was then formed, and took over the mines, while also buying up additional sixteen claims. Kerr-Addison Mines Limited was incorporated in 1963, out of a merger of Kerr-Addison Gold Mines, Anglo-Huronian, Bouzan Mines and Prospector Airways and bought the Kerr-Addison mine from Canadian Associated Goldfields Limited in 1937. In 1957, the company bought the neighbouring Chesterville gold mine . In 1978,

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