October 24, 2022 View PDF

Vancouver, B.C.– Northisle Copper and Gold Inc. (TSX-V: NCX) (“Northisle” or the “Company”) is pleased to announce that it has commenced a metallurgical testing program covering the Hushamu and Red Dog deposits, as well as the Northwest Expo target on its North Island Project (the “Project”).

Sam Lee, President and CEO of Northisle commented, “We see the potential to improve both copper and gold recoveries at the project overall and are also keen to determine the potential preliminary recoveries from Northwest Expo. This program is a key element of our focus on driving project value while being efficient with shareholder capital.”

Metallurgical Program Details

Northisle has retained Kelly McLeod, P.Eng. who, together with Ausenco Engineering Canada Inc., have designed a comprehensive metallurgical program for the Project to assess the feed characteristics and metallurgical recovery performance of samples from the Hushamu and Red Dog deposits, as well as the Northwest Expo target in support of future technical studies. Laboratory testing will be conducted by Base Metallurgical Laboratories Ltd.

The program will also evaluate the use of enhanced process technologies including coarse particle flotation, alternative grinding and flotation technologies and copper / molybdenum separation testing, which will determine the potential for production of a saleable molybdenum concentrate. Finally, in order to evaluate the potential for improved gold recoveries, the program will also consider pyrite concentrate leaching based on balancing the gold content between the copper concentrate and pyrite concentrate.
Initial work on Northwest Expo will seek to determine preliminary recovery estimates based on the 2021 drill samples with additional testing to be completed following the resource definition drilling program at Northwest Expo, contemplated for the first half of 2023.

Qualified Person

Ian Chang, P.Eng., Vice President Project Development of Northisle and a Qualified Person as defined by National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”), has approved the scientific and technical disclosure contained in this news release.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.

This news release contains forward-looking statements. These forward-looking statements are based upon the reasonable beliefs of Northisle and its management as of the date of this news release; however, forward-looking statements involve risks and uncertainties and are based upon factors that may change and assumptions that may prove, with the passage of time, to be incorrect as a result of exploration and other risk factors associated with mineral exploration and development that are beyond the control of Northisle. Accordingly, undue reliance should not be placed upon such statements. If factors materially change or assumptions are materially incorrect, the actual results, performance or achievements of Northisle may be materially different from any future results, performances or achievements expressed or implied by such forward-looking statements. Northisle does not undertake any obligation to update or revise any forward-looking statements to reflect new information, future events or otherwise, except as required by applicable law.”

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