Queenston Mining
Queenston Mining was a Canadian gold exploration and development company focused on established mining districts in Ontario and Quebec.
Last updated August 31, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Queenston Mining, Inc. was a Canadian resource company whose activities centered on the exploration and advancement of gold properties in established, politically stable mining regions. Its stated business objective was to enlarge existing mineral deposits, pursue additional discoveries, and ultimately return to gold production through the development of properties owned outright by the company. The company was headquartered in Toronto, Ontario. Its principal asset base was concentrated in two historic Canadian gold camps: the Kirkland Lake Gold Camp in northeastern Ontario and the Cadillac Gold Camp in Quebec. Queenston also held additional exploration properties in Manitoba and Ontario. Rather than operating as a diversified consumer-facing brand, Queenston functioned as a project-based mining enterprise whose identity was closely associated with its portfolio of mineral properties, drilling programs, resource expansion work, and efforts to advance selected deposits toward production. The Kirkland Lake portfolio was the company’s main strategic focus. Queenston held more than 35 properties covering over 230 square kilometres in the camp, including the Upper Beaver, McBean-Anoki, Upper Canada, Lebel, and Amalgamated Kirkland properties. The company’s exploration emphasis was particularly concentrated in Gauthier Township, where it was advancing several wholly owned gold properties. Upper Beaver and the McBean, Anoki, Bidgood, and Upper Canada areas were being evaluated with the longer-term objective of defining enough mineral resources to support a central milling facility in the township. Exploration remained a major activity even as the company considered development and production scenarios. The Kirkland Lake district had a long operating history. Gold discoveries were made in the wider area in the early twentieth century, and production continued across several mines for decades. Queenston’s work took place during a period when the historic camp was receiving renewed attention because of new discoveries and the reopening or continued operation of important mines. The company’s properties therefore benefited from an existing mining tradition, geological knowledge, and regional infrastructure, while still carrying the technical, permitting, financing, and geological risks characteristic of exploration and development companies. In Quebec, Queenston maintained interests along the Cadillac Break, a major gold-bearing geological structure associated with the Cadillac mining camp. Its Cadillac-area portfolio included the Pandora property and the Wood-Pandora property. Pandora was wholly owned, while Wood-Pandora was held through a 50-50 joint venture with Globex Mining. The Wood-Pandora property was adjacent to major operations associated with Agnico Eagle Mines, and the joint venture continued drilling to assess the economic potential of the Ironwood deposit. Queenston also reported other exploration holdings, including the Westhawk property in Manitoba and the Mishibishu property in Ontario. These assets supplemented the company’s principal Ontario and Quebec portfolios but were not described as its central development focus. Queenston Mining was purchased by Osisko Mining in 2012. Following that transaction, Queenston ceased to operate as an independent mining company. Its historical significance lies primarily in its portfolio of gold exploration and development properties and in its attempt to move from exploration toward renewed production in two of Canada’s best-known gold camps.
History
Queenston Mining was a Canadian resource company organized around gold exploration and mine-development opportunities. Publicly available descriptions identify its corporate headquarters as Toronto, Ontario, and characterize its strategy as the exploration and development of gold deposits in established mining districts located in geopolitically stable areas. The company sought to expand known mineralized zones, make additional discoveries, and advance wholly owned properties toward a return to production. The company’s principal asset base was located in two historic Canadian gold camps. The Kirkland Lake Gold Camp in northeastern Ontario had a mining history dating to discoveries made in the early twentieth century. Gold was first discovered in the wider Kirkland Lake area in the early 1900s, and production subsequently continued through a succession of mines for much of the century. Queenston entered this established district with a large group of properties and pursued exploration during a period of renewed interest in the camp, including new discoveries and the reopening or operation of significant mines in the region. Queenston’s Kirkland Lake holdings covered more than 35 properties and over 230 square kilometres. The principal named properties were Upper Beaver, McBean-Anoki, Upper Canada, Lebel, and Amalgamated Kirkland, also known as AK. The company’s key area of concentration was Gauthier Township, where it was advancing several wholly owned gold properties. Its development concept involved defining sufficient resources from properties such as Upper Beaver and the McBean, Anoki, Bidgood, and Upper Canada areas to support a central milling facility. This approach would have linked exploration success with a potential regional production plan rather than treating each property as an isolated project. At the same time, exploration remained a core corporate activity, since additional drilling and discoveries were needed to expand resources and improve the prospects of development. Queenston also maintained a presence in Quebec’s Cadillac Gold Camp. The district is associated with the Cadillac Break and has been one of Quebec’s most productive gold regions. Queenston’s Cadillac-area interests included the wholly owned Pandora property and the Wood-Pandora property, which was held in a 50-50 joint venture with Globex Mining. The properties were located near major gold operations associated with Agnico Eagle Mines. During the company’s final period as an independent entity, the Wood-Pandora venture continued drilling to evaluate the Ironwood deposit and its potential economic significance. Additional exploration holdings included the Westhawk property in Manitoba and the Mishibishu property in Ontario. These assets broadened Queenston’s geographic portfolio, although the Kirkland Lake and Cadillac camps were the principal subjects of the company’s exploration and development narrative. Queenston’s business model exposed it to the normal uncertainties of mineral exploration and mine development. Its value depended on geological results, resource definition, engineering studies, permitting, access to capital, commodity prices, and the ability to convert discoveries into economically viable operations. The company’s stated ambition to return to producer status therefore represented a development objective rather than evidence that all of its properties had reached commercial production. In 2012, Osisko Mining purchased Queenston Mining. The acquisition brought Queenston’s portfolio under Osisko’s ownership and ended Queenston’s existence as an independent mining company. The company is consequently best understood as a defunct Canadian gold exploration and development brand whose historical identity was tied to its extensive Ontario and Quebec property portfolio, particularly the Upper Beaver and related Kirkland Lake projects and the Pandora-area interests in the Cadillac camp.
- 2012
Osisko Mining acquired Queenston Mining
[1]Osisko Mining purchased Queenston Mining, after which Queenston no longer operated as an independent company.
- 1924
First gold discovery in the Cadillac camp
[1]Gold was discovered on the O’Brien property, helping establish the Cadillac area as a major Quebec gold camp.
- 1910
First gold production in the Kirkland Lake camp
[1]The Swastika mine began producing gold, marking an early production milestone for the Kirkland Lake mining district.
- 1906
Early gold discoveries in the Kirkland Lake district
[1]Gold was discovered in the broader Kirkland Lake area, establishing the historical mining context in which Queenston later developed its Ontario property portfolio.
Products and positioning
A Canadian gold exploration and development company focused on expanding resources and progressing wholly owned or joint-venture properties in established mining camps.
Gold exploration and development property
Upper Beaver Property
Upper Beaver was one of Queenston’s principal wholly owned gold properties in the Kirkland Lake Gold Camp. It formed part of the company’s Gauthier Township development focus and was being advanced through exploration and resource-definition work as Queenston evaluated a possible regional production model supported by a central milling facility.
Gold exploration property
McBean-Anoki Property
The McBean-Anoki property was part of Queenston’s concentrated Kirkland Lake portfolio. The company included the McBean and Anoki areas among the properties being advanced in Gauthier Township, with exploration intended to expand mineral resources and assess their contribution to a potential future production system.
Gold exploration and development property
Upper Canada Property
Upper Canada was one of Queenston’s wholly owned gold properties in the Kirkland Lake camp. It was included in the company’s exploration and development program aimed at outlining a sufficiently large resource base to support centralized processing in the Gauthier Township area.
Gold exploration property
Lebel Property
Lebel was among the named properties in Queenston’s extensive Kirkland Lake land position. It represented part of the company’s broader effort to explore a large group of mineral claims in a historic but geologically active Canadian gold district.
Gold exploration property
Amalgamated Kirkland (AK) Property
Amalgamated Kirkland, also referred to as the AK property, was one of Queenston’s Kirkland Lake-area holdings. It formed part of the company’s wider exploration inventory rather than being identified in the available material as a producing mine.
Gold exploration property
Pandora Property
Pandora was a wholly owned Queenston property in Quebec’s Cadillac Gold Camp. Its location along the Cadillac Break placed it within a historically productive gold district and near operations associated with Agnico Eagle Mines.
Joint-venture gold exploration property
Wood-Pandora Property
Wood-Pandora was held through a 50-50 joint venture between Queenston Mining and Globex Mining. The partners continued drilling to investigate the Ironwood deposit and evaluate its economic potential. The property was located in the Cadillac camp near major gold operations.
Gold exploration property
Westhawk Property
Westhawk was an additional Queenston exploration property in Manitoba. The available reference material identifies it as part of the company’s broader portfolio but does not provide detailed development or production information.
Gold exploration property
Mishibishu Property
Mishibishu was an additional exploration property in Ontario. It supplemented Queenston’s major Kirkland Lake interests, although the available material does not describe it as a producing operation.
Brand decisions
2012
Sale to Osisko MiningM&ABackground
Queenston was pursuing gold exploration and development across the Kirkland Lake and Cadillac camps while seeking to advance wholly owned properties toward a possible return to production.
Action taken
Osisko Mining purchased Queenston Mining and took control of its portfolio of exploration and development properties.
Aftermath
Queenston ceased to operate as an independent company, making the acquisition the final major corporate event in its recorded history.
2012
Focus on a potential centralized Kirkland Lake development modelStrategyBackground
Queenston held a large group of properties in the Kirkland Lake Gold Camp and was advancing several wholly owned deposits in Gauthier Township.
Action taken
The company pursued resource expansion and exploration across Upper Beaver, McBean, Anoki, Bidgood, and Upper Canada with the objective of defining enough gold resources to support a central milling facility.
Aftermath
The development concept remained part of Queenston’s strategy when the company was acquired in 2012; the available material does not establish that the proposed mill was constructed or that the plan reached production.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/queenston-mining · Editorial policy · How profiles are compiled