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Pronto Mine

The Pronto Mine is an historical uranium mine located approximately 20 km south of Elliot Lake, Ontario near Spragge. The site is owned and operated by Rio Algom Ltd,[1] has been rehabilitated and is currently undergoing environmental monitoring.

Pronto Mine
Location
Pronto Mine
Location in Ontario
LocationElliot Lake
ProvinceOntario
CountryCanada
Coordinates46°13′N 82°43′W / 46.21°N 82.71°W / 46.21; -82.71
Production
ProductsUranium
History
Discovered1953
Opened1956
Closed1960 (mine)
1970 (mill)
Owner
CompanyRio Algom

The mine was in operation from 1956 to 1960,[2] during which time it produced 4,643,835 pounds of U3O8.[3] Upon closure of the mine, the mill was converted to a copper concentrator to process ore from the nearby Pater Mine and operated until 1970.[2]

History edit

The Pronto mine is located on lot 3, concession II, Long township. It is located 11 miles east of Blind River, it is near the Canadian Pacific Railway and highway 17.[4]

The Pronto deposit was discovered in 1953,[5] by geologist Franc R. Joubin,[4] becoming the first uranium deposit discovered in the Algoma region.[6] The prospecting was grubstaked by a J. H. Hirshhorn, a hotel owner.[4] They formed Peach Uranium Syndicate, which later became Peach Uranium and Metals Limited and started diamond drilling.[4]

Messrs. Joubin and Hirshhorn, aided by staff from Preston East Dome gold mine, staked 1,400 claims and discovered more locations with uranium ore.[4]

The summer 1953 publication of the success of Messrs. Joubin and Hirshhorn caused "the greatest staking rush in the history of Ontario"

In 1954, after establishing the size of the find, a contract for the sale of the uranium to the value of $55 million was signed and Pronto Uranium Mines Limited was formed as a subsidiary company to operate the mine.[4] A shaft 650 feet deep shaft with four levels at 100 feet apart was sunk.[4]

Production started in September 1955.[4] There was an ore treatment plant that could process 1,250 tons per day.[4]

Rio Tino bought Hirshhorn's share of the mine in 1956.[4]

1958 the shaft was dug deeper to a seventh level and the treatment plant was upgraded to be able to process 1,500 tons per day.[4]

In 1958, Pronto Uranium Mines Limited declared dividends of $0.75 per a share.[4]

1960 four companies, including Pronto Uranium Mines Limited, merged to form Rio Algom Mines Limited. Pronto Mine closed in April 1960, although the mill continued operating.[4]

Other mines in the area edit

See also edit

References edit

  1. ^ "Regulatory Oversight Report for Uranium Mines, Mills, Historic, and Decommissioned Sites in Canada: 2020". Canadian Nuclear Safety Commission: 166. 6 March 2018.
  2. ^ a b Rio Algom Ltd (2001). (PDF). Archived from the original (PDF) on 2011-07-09. Retrieved 2009-06-18. {{cite journal}}: Cite journal requires |journal= (help)
  3. ^ "Uranium and Thorium Deposits of Northern Ontario" (PDF). {{cite journal}}: Cite journal requires |journal= (help)
  4. ^ a b c d e f g h i j k l m A.H. Lang, J. W. Griffith, H. R Steacy (1962). Canadian Deposits of Uranium and Thorium (PDF). Yukon University: Geological Survey of Canada - Department of Mines and Technical Surveys. p. 175.{{cite book}}: CS1 maint: multiple names: authors list (link)
  5. ^ "Elliot Lake". University of Waterloo. 28 February 2013. Retrieved 2018-07-30.
  6. ^ "CIM Bulletin - The Story of Elliot Lake". Canadian Institute of Mining and Metallurgy. Retrieved 2009-01-30.

External links edit

  • "Elliot Lake Uranium Mines". MiningWatch Canada. Retrieved 2009-01-30.


pronto, mine, historical, uranium, mine, located, approximately, south, elliot, lake, ontario, near, spragge, site, owned, operated, algom, been, rehabilitated, currently, undergoing, environmental, monitoring, locationlocation, ontariolocationelliot, lakeprov. The Pronto Mine is an historical uranium mine located approximately 20 km south of Elliot Lake Ontario near Spragge The site is owned and operated by Rio Algom Ltd 1 has been rehabilitated and is currently undergoing environmental monitoring Pronto MineLocationPronto MineLocation in OntarioLocationElliot LakeProvinceOntarioCountryCanadaCoordinates46 13 N 82 43 W 46 21 N 82 71 W 46 21 82 71ProductionProductsUraniumHistoryDiscovered1953Opened1956Closed1960 mine 1970 mill OwnerCompanyRio Algom The mine was in operation from 1956 to 1960 2 during which time it produced 4 643 835 pounds of U3O8 3 Upon closure of the mine the mill was converted to a copper concentrator to process ore from the nearby Pater Mine and operated until 1970 2 Contents 1 History 2 Other mines in the area 3 See also 4 References 5 External linksHistory editThe Pronto mine is located on lot 3 concession II Long township It is located 11 miles east of Blind River it is near the Canadian Pacific Railway and highway 17 4 The Pronto deposit was discovered in 1953 5 by geologist Franc R Joubin 4 becoming the first uranium deposit discovered in the Algoma region 6 The prospecting was grubstaked by a J H Hirshhorn a hotel owner 4 They formed Peach Uranium Syndicate which later became Peach Uranium and Metals Limited and started diamond drilling 4 Messrs Joubin and Hirshhorn aided by staff from Preston East Dome gold mine staked 1 400 claims and discovered more locations with uranium ore 4 The summer 1953 publication of the success of Messrs Joubin and Hirshhorn caused the greatest staking rush in the history of Ontario In 1954 after establishing the size of the find a contract for the sale of the uranium to the value of 55 million was signed and Pronto Uranium Mines Limited was formed as a subsidiary company to operate the mine 4 A shaft 650 feet deep shaft with four levels at 100 feet apart was sunk 4 Production started in September 1955 4 There was an ore treatment plant that could process 1 250 tons per day 4 Rio Tino bought Hirshhorn s share of the mine in 1956 4 1958 the shaft was dug deeper to a seventh level and the treatment plant was upgraded to be able to process 1 500 tons per day 4 In 1958 Pronto Uranium Mines Limited declared dividends of 0 75 per a share 4 1960 four companies including Pronto Uranium Mines Limited merged to form Rio Algom Mines Limited Pronto Mine closed in April 1960 although the mill continued operating 4 Other mines in the area editStanleigh Mine Spanish American Mine Can Met Mine Milliken Mine Panel Mine Denison Mine Stanrock Mine Quirke Mine s Buckles Mine Lacnor Mine Nordic MineSee also editQuartz pebble conglomerate deposits Uranium mining List of uranium mines List of mines in OntarioReferences edit Regulatory Oversight Report for Uranium Mines Mills Historic and Decommissioned Sites in Canada 2020 Canadian Nuclear Safety Commission 166 6 March 2018 a b Rio Algom Ltd 2001 Elliot Lake Uranium Mine Site Reclamation Information Package PDF Archived from the original PDF on 2011 07 09 Retrieved 2009 06 18 a href Template Cite journal html title Template Cite journal cite journal a Cite journal requires journal help Uranium and Thorium Deposits of Northern Ontario PDF a href Template Cite journal html title Template Cite journal cite journal a Cite journal requires journal help a b c d e f g h i j k l m A H Lang J W Griffith H R Steacy 1962 Canadian Deposits of Uranium and Thorium PDF Yukon University Geological Survey of Canada Department of Mines and Technical Surveys p 175 a href Template Cite book html title Template Cite book cite book a CS1 maint multiple names authors list link Elliot Lake University of Waterloo 28 February 2013 Retrieved 2018 07 30 CIM Bulletin The Story of Elliot Lake Canadian Institute of Mining and Metallurgy Retrieved 2009 01 30 External links edit Elliot Lake Uranium Mines MiningWatch Canada Retrieved 2009 01 30 nbsp This article about a specific mine is a stub You can help Wikipedia by expanding it vte nbsp This Ontario location article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Pronto Mine amp oldid 1194345293, wikipedia, wiki, book, books, library,

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