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Last C$0.06 CAD
Change Today +0.01 / 20.00%
Volume 475.6K
COL On Other Exchanges
As of 3:15 PM 05/22/15 All times are local (Market data is delayed by at least 15 minutes).

copper north mining corp (COL) Snapshot

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copper north mining corp (COL) Details

Copper North Mining Corp. acquires, explores, and develops mineral properties in Canada. The company primarily explores for copper, gold, and silver. It principally holds interest in the Carmacks Copper project located in the Yukon Territory, Canada. The company is headquartered in Vancouver, Canada.

copper north mining corp (COL) Top Compensated Officers

Chief Executive Officer, President and Direct...
Total Annual Compensation: C$140.0K
Chief Financial Officer
Total Annual Compensation: C$50.0K
Vice President of Sustainability & Environmen...
Total Annual Compensation: C$160.0K
Compensation as of Fiscal Year 2014.

copper north mining corp (COL) Key Developments

Copper North Mining Corp. Auditor Raises 'Going Concern' Doubt

Copper North Mining Corp. filed its Annual on Apr 16, 2015 for the period ending Dec 31, 2014. In this report its auditor, PricewaterhouseCoopers LLP, gave an unqualified opinion expressing doubt that the company can continue as a going concern.

Copper North Mining Corp. Introduces the New Processing Plan for Leaching and Recovery of Copper, Gold and Silver at Carmacks

Copper North Mining Corp. introduced the new processing plan for leaching and recovery of copper, gold and silver at Carmacks. The testwork program that commenced in September has indicated that the oxide mineral resources at Carmacks have very favourable leach dynamics and that the optimal leach process is an agitated tank leach for both copper and the gold and silver. The New Process Plan consists of three-stage crushing to 80% passing minus 13mm, followed by rod mill grinding to 1 to 2mm. The ores are then placed in an agitated tank for leaching of copper oxides with weak sulphuric acid. Testwork has indicated 84% recovery of total copper with leach times of 16 to 18 hours; however, the addition of waste heat from the sulphuric acid plant could further reduce the leach times. The leachate is pumped to the solvent extraction electrowinning (SX/EW) plant for recovery of cathode copper. The copper cathode can be sold directly to end-users for fabrication. Following copper leaching, the solids are rinsed to remove any remaining acid prior to being pumped directly into a second set of agitated tanks for the addition of lime and cyanide for gold and silver extraction. The testwork at ambient temperatures indicates a recovery of 80% for gold and 78% for silver over 48 hours. Higher leach temperatures (50 degrees C) provide potential for a significant reduction in leach time and further increases in recovery, and is under investigation. Recoveries for the agitated leach indicate a modest improvement in recoveries for both copper and gold & silver. Leachate from the cyanide tanks is sent to a Merrill Crowe circuit to recover gold and silver as a dore bar for refining. A SART circuit is used to remove copper cyanates from leach fluids to recover cyanide and thereby manage cyanide consumption. The SART circuit will produce a small amount of copper-rich sulphide that will add slightly to the total copper recovery. Residues from the cyanide circuit undergo cyanide destruction prior to deposition in a dry stacked waste facility. Dry stacked tails are a preferred means of storing waste as it eliminates the need for a tailings pond. This change is very attractive for environmental management at the site. With this information, BGRIMM (Beijing General Research Institute Mining and Metallurgy) has commenced design work for the new process plan as part of a Prefeasibility Study to be completed in mid-year, before completing the Feasibility Study at year-end. The improvement of recoveries and bringing forward revenues from operations, as compared to that of operations in the July 2014 PEA; is an important improvement in project economics. All metallurgical testwork was carried out at the facilities of Inspectorate Metallurgical Division of Bureau Veritas Commodities Canada Ltd. in Richmond B.C. Dr. Morris Beattie, PEng. supervised the metallurgical test work in progress and has provided Copper North with results of the test work and a preliminary plan for optimizing the processing of the leaching and recovery of the oxide mineralization at Carmacks. Test work is continuing in efforts to refine the process plan and provide additional design information.

Copper North Mining Corp. Provides 2014 Exploration Project Update

Copper North Mining Corp. provided an overview of exploration on the Carmacks Project. The Carmacks copper-gold-silver mineralization has been found in at least 15 zones, defining the mineralized northeast dipping shear structures that extend for at least five kilometres. The proposed mining area consists of zones 1, 7, 7a and 4, spanning approximately 600 metres of the main structure. The 2014 program consisted of geologic mapping, trenching, induced polarization and magnetic geophysical survey and diamond drilling and focused on expansion of the proposed mining area. The mineral resources contained in the proposed mining area are 11.98M tonnes of Measured and Indicated resources grading 1.07% copper, 0.456 g/t gold and 4.58 g/t silver. The mineralization appears to be cutoff by northeast trending cross faults. South GAP Zone - 2000S Extension: This zone is located between the south extension of zones, 1, 7, 7A and 4 and 2000S zone. The South Gap target consists of an approximate 300 metre gap between the main proposed mining area and the 2000S zone. The 2000S zone has been defined by 6 drill holes with both oxide and sulphide mineralization. Drill hole WC92-01 intersected 10.67m grading 0.67% copper at a depth of 30 to 41metres. To follow up on this intercept, drill hole CN14-11 was collared 22 metres to the north northwest of WC92-01, and intersected 18.74 metres grading 0.58% copper, 0.189 g/t gold and 2.46 g/t silver at a depth 21 to 40 metres. Three other drill holes failed to intercept the mineralized zone. Additional drilling is warranted in defining the continuation of the mineralization to the northwest and location of the cross faults that are displacing the mineralization in the GAP zone. Any expansion of the 2000S zone has the potential to define a mineral resource amenable to open pit mining, and could coalesce with the main proposed pit area. North GAP - Zone 2 Extension: The North Gap represents the area between the boundary fault that truncates the north end of Zone 1 and Zone 2; a distance of approximately 2,500 metres. Exploration this past year was focused on extending the Zone 2 mineralization along strike. Trenching indicated that Zone 2 is cutoff by a cross fault, approximately 20 metres to the northeast of the discovery outcrop and trench. Additional trenching failed to find an extension on the north side of the cross fault. Trenching to the southeast met with success. The historic Zone 2 trench was refreshed with the excavator and the oxide copper zone was resampled. The shear fabric and distribution of oxide copper minerals indicates a steep dipping mineralized zone, trending southeast; sampling yielded 15 metres grading 0.9% copper oxide mineralization. Trenching to the southeast was successful in tracking the mineralized zone for approximately 500 metres. Sampling of mineralization was hampered by permafrost capping that limited the downslope extent. Sampling of the oxide copper mineralization in the new trenches varied from 3m grading 0.43% copper to 12 metres grading 1.05% copper.


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