The 987-hectare Roger project is located in the Chibougamau Mining District within the prolific Abitibi greenstone belt. It is situated 5 km from the historic mining center of Chibougamau, Quebec and has all-season road access. A power line that serviced the past-producing Troilus copper-gold mine crosses the property and connects to the Obalski electoral distribution station located 4 km south of Chibougamau.
Enforcer is earning a 50% interest in the Roger project from project operator, SOQUEM.
Roger is an advanced-stage exploration project containing the Mop-II gold-copper deposit. In total, 58.000 m of diamond drilling have ben completed on the property including 3,086 m (11 holes) drilled by Enforcer-SOQUEM in 2018. Underground exploration undertaken in 1988 included 1,177 m of development, 1,433 m of underground drilling and over 1,000 m of chip sampling.
MINERAL RESOURCE ESTIMATE
An updated mineral resource estimate on the Mop-II gold-copper deposit was completed in August 2018. The 2018 estimate marks a significant increase in size and confidence level from the historical 2006 estimate (March 5, 2018 press release), with over 50% in the Indicated category. The new resource estimate is constrained in a conceptual open pit shell; highlights are as follows:
Indicated: 297,000 oz Au at 0.85 g/t Au
Inferred: 159,000 oz Au at 0.75 g/t Au
Contained Gold Equivalent
Indicated: 333,000 oz at 0.95 g/t AuEq
Inferred: 202,000 oz at 0.96 g/t AuEq
The 2018 updated mineral resource estimate was prepared by GéoPointCom of Val-d’Or, Quebec. The estimate incorporates information from 260 surface diamond drill holes and 23 underground diamond drill holes for a total of 38,554 m of split/sawn and assayed core. Further details of the estimate are provided in the Company’s September 18, 2018 press release and here: 2018 Resource Estimate.
The 2018 Phase 1 diamond drilling program was completed in April with the drilling of 11 holes totalling 3,086 m. The results from 8 twinned holes verified the historical results with mineralization beginning at or near surface and continuing for significant lengths down hole. Two additional holes were collared to the east of the lesser explored North zone and drilled to intersect the Main zone at depth. Both holes intersected mineralization on strike of the North zone, extending its potential strike extent to over 450 m. Hole 1206-18-94 demonstrated continuous lower-grade mineralization over an impressive 514.5 m of core length to a vertical depth of ~400 m, confirming that a very broad halo of lower-grade mineralization extends at depth below the Main zone (June 20, 2018 press release). This hole also intersected a copper-enriched gold zone correlating with the North zone from 79.5-129.5 m down hole, returning 54 m of 0.18 g/t Au and 0.11% Cu (June 27, 2018 press release).
The Phase 2 drilling program commenced in October 2018 and was completed in one month with 34 holes totalling 7,645 m.. Approximately 80% of the program was dedicated to expanding and upgrading the current resource estimate and ~20% allocated to exploration drilling outside of the modelled resource area. The drilling program focused largely on the North zone where the potential for rapidly increasing the resource appears most favorable. Assay results are pending.
GEOLOGY & MINERALIZATION
Gold and copper were first discovered in the Chibougamau mining camp in the early 1900s. Active mining from 1953 to 2008 produced 3.2 million ounces of gold and 1.6 billion pounds of copper along with significant amounts of silver and zinc. Production was derived from three deposit types: mesothermal Cu-Au veins, volcanogenic massive sulphide and porphyry copper style mineralization.
The Chibougamau mining camp lies at the eastern extremity of the Abitibi greenstone belt. The Archean-aged rocks of the area consist of two mafic-to-felsic volcanic cycles overlain by a sequence of sedimentary and volcanic rocks. The volcanics have been intruded by comagmatic gabbro sills, including the Doré Lake Complex, which hosts most of the copper-gold mines of the Chibougamau area, and the Cummings Complex, which hosts the copper-gold mines of the Chapais area. The stratigraphy has been folded along north-south axes, refolded about east-west axes and metamorphosed to the greenschist facies. The rocks have also been intruded by many syn-to-post tectonic tonalite, diorite, and granodiorite plutons.
Stratigraphy in the Mop-II deposit area is poorly defined due to a lack of outcrop exposure. The Mop-II deposit is described as having two distinct zones: Main and North. Gold mineralization in the Main zone correlates with broad alteration zones of sericitization and silicification that are largely contained within a 2.2 km long by 0.4 km wide quartz-feldspar porphyry intrusion. The North zone is currently less understood due to the absence of outcrop and limited drilling. It exhibits a different style of mineralization from the Main zone in that both copper and gold are present in highly anomalous quantities over wide intervals.
A third style of mineralization at Roger is presented in a horizon of semi-massive to massive sulphides associated with the ultramafic Roberge Sill near its contact with the quartz-feldspar porphyry. The horizon was intersected by previous SOQUEM drilling (2004-2013) and returned highly anomalous values of zinc, copper, silver and gold (July 19, 2018 press release).
Exploration for gold on the Roger property began in the 1940s and the first drilling campaign was conducted in 1957. Drilling programs were limited in scope until the period 1985 to 1989, when Flanagan Inc. and Muscocho Exploration Ltd. carried out close to 24,700 m of surface drilling followed by an underground exploration program that included 832 m of ramp development, 82 m of cross-cuts, 124 m of drifting, 139 m in raises, over 1,000 m of chip sampling and 1,400 m of underground drilling in 23 holes.
The 1988 underground program was planned to test 2 of 4 auriferous shear zones that had been interpreted from surface drilling to trend northwest; however, the underground program revealed that gold mineralization was actually controlled by east-west trending shear zones. Sixty-five surface holes drilled in 1988 were also oriented to test northwest-trending structures, and as such intersected the mineralization at 45 degrees to its trend rather than perpendicular. This would have greatly hindered the geological understanding of the deposit at the time. Exploration work ceased in 1989 due to low gold prices and the property lay dormant until SOQUEM staked the area in 1997.
From 2000 to 2005, SOQUEM carried out an additional 7,500 m drilling and commissioned a mineral resource estimate on the Mop-II deposit that was completed in January 2006. SOQUEM completed 4 additional drilling campaigns between 2008 and 2013 totalling over 15,000 m.
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