Mining operations launched at Wingdam Paleoplacer project


SASKATOON, SK, 22 December 2021 / CNW / – Omineca Mining and Metals Ltd. (TSXV: OMM) (“Omineca” or the “Company”) announces that Lightning Creek Mining (“LCM”), the Company’s joint venture partner and mining entrepreneur, has begun injection operations for the underground paleoplacer project Wingdam of Omineca located in the mining district of Cariboo, British Columbia. Grout holes above the cross section workspace are currently being drilled to be followed by a curtain of hydraulically pumped grout in place, a period of placement and testing after which the first mining operations will begin. Updates will be provided as the inaugural grout cross-cutting program progresses.

Ken hamilton, LCM President comments: “The work, installation and preparation went extremely well, and the Government of British Columbia has been very cooperative and prompt in evaluating our plans, tests and data, in particularly with regard to safety, water management and environmental stewardship. The support is also evidenced by the recent granting of a 2-year extension of Omineca’s existing license. We look forward to starting mining operations for this unique project.

Following the August update, to date LCM has:

  • Materials tested in in situ laboratory (water pressure, bedrock, paleochannel material)
  • Dry decline and mining sites, depressurization of the paleocanal and associated watersheds
  • Installed, inspected and reported a grout plug to permanently disconnect the extensive underground works at the Sanderson mine from the underground operations at Wingdam.
  • Completed, submitted design specifications and plans for hydraulic grout extraction operations.
  • Completed, submitted the groundwater management plan.
  • Installation of underground electrical system completed
  • Improved completed vent including new vent system, secondary outlet and water discharge system
  • Water management systems installed, including
    • drainage holes under the works complete with valves and pump connection
    • water monitoring holes drilled above, below and in the face of the mine
    • pumps, valves and meters installed
  • Purchase of all the equipment required for the installation of the grout curtain
  • Purchase of all project specific equipment required for mechanical underground mining, including an Antraquip 50 punching machine
  • Pilot and grout holes drilled (in progress)
  • Prepared for Drift: Surveying, Drilling Pilot Holes and Preparing the Cutter / Shovel Cutter
  • Design and commissioning of a gravity separation plant (trommel and washing station)

Gold mining to place
The mining method will include a series of cross-beds and galleries along the underground paleochannel from downstream of the first bulk sample of cross-beds completed in 2012. Stage 1 will take the series of cross-beds and galleries downstream for the first 300 meters. The Company has mapped, by sampling, historical drilling and 3D seismic, 2.4 kilometers of potentially auriferous placer’s paleochannel upstream and downstream of the successful 2012 intersection. Omineca has an additional 14 kilometers of claims along the Lightning Creek Valley that will be explored for the potential pursuit of the gold-bearing paleochannel through drilling and 3D seismic programs. The 2012 bulk sample was taken from a 2.4 m X 2.4 m X 23m intersected and produced 173.4 troy ounces (5.4 kilograms) of placer gold using freeze mining technology to stabilize the soil.

Similar to the 2012 operations, placer gold will be recovered by gravity separation methods. The materials excavated from the rocky threshold of the paleochannel (gravel, sand and silt) will be treated with water with a trommel and a washing station located underground.

Qualified person
All scientific and technical information contained in this press release has been prepared or approved by Stephen kocsis, chief geologist P.Geo. Mr. Kocsis is a Qualified Person for the purposes of National Instrument 43-101 – Disclosure Standards for Mining Projects.

About Omineca Mining and Metals Ltd.
Omineca Mining and Metals Ltd.’s flagship gold exploration and placer recovery project in Wingdam is located along the Barkerville Highway, 45 km east of the town of Quesnel. The Wingdam property includes mineral tenures totaling over 50,000 hectares (500 sq km) and over 15 line kilometers of placer claims, both encompassing the Lightning Creek valley where topographic conditions have created thick layers of dead- land, which have preserved a large part of a buried paleochannel. containing placer gold gravel. Omineca also has a diamond drilling program currently underway to explore the multiple potential sources of hard rock from the placer gold at Wingdam.

Forward-looking statements

This press release includes forward-looking statements concerning Omineca and its activities. These statements are based on the current expectations and opinions about future events of Omineca’s management. In some cases, forward-looking statements may be identified by words or expressions such as “may”, “will”, “expect”, “plan”, “anticipate”, “intend”, “possible”. “,” Estimate “,” believe “or the negative of these terms, or other similar expressions intended to identify forward-looking statements. The forward-looking events and circumstances discussed in this press release may not occur and could differ materially due to the failure of project financing, the economic feasibility of the Wingdam project, known and unknown risk factors and uncertainties affecting Omineca, including risks relating to the resource industry, economic factors and the stock markets in general and many other factors beyond the control of Omineca. No forward-looking statement can be guaranteed. Forward-looking statements and information, by their nature, are based on assumptions and involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements, or the results of the business. industry, are materially different from any results, performance or achievements expressed or implied by such forward-looking statements or information. Therefore, readers should not place undue reliance on forward-looking statements or information. Forward-looking statements speak only as of the date on which they are made and Omineca assumes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by securities laws.

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 release.

SOURCE Omineca Mining and Metals Ltd

For further information: Tom MacNeill, President and CEO, 1 (306) 653-2692; Dean Nawata, Vice-President, Business Development, 1 (604) 561-2821, [email protected]


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