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Power Metallic Demonstrates Positive Initial Mineralogy Results – PGE Enrichment Associated with Chalcopyrite and Cubanite

Power Metallic Mines Inc. (TSXV: PNPN) (OTCBB: PNPNF) (Frankfurt: IVV) provided an update on preliminary mineralogy scans preformed by IOS Geosciences based in Chicoutimi, Quebec.

Detailed microscopic scans are being performed on selected mineralized samples from the Lion zone to understand the characteristics of the mineralogy. This will help inform future metallurgical recovery studies on the Lion Zone. Approximately half of the suite of over 100 samples selected to represent the various mineralized zones at Lion have been completed, and results to date are encouraging for potential conventional sulphide concentrate recovery methods.

The Lion deposit has two zones of mineralization defined by drilling, consisting of a High-Grade zone and a lower grade Hanging-wall Zone. Current understanding is that the vast majority of the metal value in the deposit is contained within the High-Grade zone, consisting of semi-massive to massive copper sulphide mineralization.

The scans by IOS reveal the mineralogy of the economic metals, and their host rocks. This characterization is critical for determining potential metallurgical recoveries, in particular for understanding the mineral species of the high value copper and PGEs. Of utmost importance is understanding the characteristics of the High-Grade Zone containing the bulk of the metal in the deposit.

Work to date has shown that the copper mineralization is contained within coarse grained chalcopyrite and cubanite, both which should respond well to conventional sulphide concentration methods, similar to processes carried out on Sudbury type ores.

Additionally, the scans have shown that the majority of PGE mineral species occur within or attached to the chalcopyrite and cubanite (Figure 1). This suggests the potential for very good recovery of these PGEs in a copper concentrate (Figure 2). In addition, the species of PGE minerals including stannopalladinite, froodite, and merenskyite are minerals that are similar to those recovered in other polymetallic ores, such as the Sudbury basin deposits and Norilsk.

Figure 1 – PGE host in massive sulphide sample, with PGE species (CNW Group/Power Metallic Mines Inc.)
Figure 2 – Scan of PGE Stannopalladinite hosted in massive chalcopyrite (CNW Group/Power Metallic Mines Inc.)

Overall, the character of the mineralization and the host sulphides suggest that good recoveries of both the copper minerals and the PGEs can be expected in conventional sulphide concentration recovery methods.

Mineralogy and Metallurgical Timeline

Mineralogy testing is expected to be complete by the end of summer. Upon completion initial scoping-level metallurgical testing will be started. Aiming to evaluate the optimal recovery method for the deposit. Targeting the start of this work prior to the commencement of the winter drill program, with initial results expected early next year.

Qualified Person

Joseph Campbell, P.Geo, VP Exploration at Power Metallic, is the qualified person who has reviewed and approved the technical disclosure contained in this news release.

Power Metallic is a market awareness client of Capital 10X. For more information, including potential conflicts of interest please see our Content Disclaimer.

Duane Hope

Duane Hope is a Partner at Capital 10X, he brings over 15 years of communications and research experience to the firm. His research and writing have appeared in publications for North American, European and Asian audiences.

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