Northgate was stripped to a width of 8 metres and a length of 65 metres; and a total of 121 samples were taken over 83 metres of diamond saw channels in the footwall, the hanging wall, and the quartz veining. Visible gold was identified in 14 samples and 70 samples returned grades of greater than 1 g/t Au. The best intersections are 4.9 metres of 7.1 g/t Au, 5.35 metres of 4.1 g/t Au, 1.65 metres of 43.5 g/t Au, 1.65 metres of 40.1 g/t Au, 1.6 metres of 37.7 g/t Au and 0.65 metres of 77.5g/t Au. Channel sampling results are also on the appended maps.
High-grade gold is associated with quartz-sericite-ankerite alteration, but gold also occurs in tourmalinitized rocks. Visible gold was observed in ribbon veins with intense associated seritization, and in carbonate-rich breccia. Detailed geological mapping shows that the zone of schistose altered rock with intense carbonate, sericite and tourmaline alteration, disseminated pyrite and pyrrhotite, and quartz-ankerite veining at Northgate is up to 10 metres wide. The pathfinder minerals for the ore shoots are graphite, chalcopyrite, pyrrhotite, sericite and visible gold.
The width and intensity of alteration and the consistency of gold mineralization in the 2020 assay results has significantly increased the potential for economic gold mineralization at Northgate and follow-up drilling is planned for 2021.
At Northgate, the zone of known gold mineralization was extended to 500 metres from 225 metres with 15 metres of strike length of very high-grade gold exposed right at surface. Drill Hole AGN-21-024 intersected 26.26 g/t Au over 2.65 metres, Drill Hole AGN-21-025 intersected 9.24 g/t Au over 0.95 metres and Drill Hole AGN-21-30 located 225 metres northeast of the Northgate high-grade gold mineralization intersected 22.7 g/t Au over 1.15 metres. The 15 metres of high-grade gold in surface channel sampling at Northgate includes 43.5 g/t Au over 1.65 metres, 40.1 g/t Au over 1.65 metres, 37.7 g/t Au over 1.6 metres and 77.5g/t Au over 0.65 metres.
High-Grade Gold at Northgate with Low-Grade Halo
Drill Hole AGN-21-024 intersected 26.26 g/t Au over 2.65 metres from 29.95- 32.6 metres as well as a low-grade halo of anomalous gold for an additional 16 metres. The high-grade gold mineralization consists of a quartz vein containing visible gold, galena, some pyrite, and ubiquitous tourmaline in a chloritized shear zone. The low-grade gold halo in the footwall consists of moderate-to strongly foliated mafic metavolcanics with pervasive carbonate alteration and containing quartz veinlets. Drill Hole AGN-21-025 intersected 9.24 g/t Au over 0.95 metres in a lower grade envelope of a 10.5 metres of 1.01 g/t Au.
Northeast Step-out Drill Holes from Northgate High-Grade Gold
Drill Hole AGN-21-30 located 225 metres northeast of the Northgate high-grade gold mineralization at Northgate intersected 22.7 g/t Au over 1.15 metres in a mineralized envelope of 8.54 g/t Au over 3.10 metres. Drill Hole AGN-21-028 located 500 metres northeast of the Northgate high-grade gold mineralization, intersected the mineralized trend with low-grade mineralization of 0.35 g/t Au over 104.4-104.8 metres within an anomalous halo of 0.04 g/t Au over 10.1 metres from 100.0-110.1 metres. An anomalous silicified zone with quartz-carbonate-tourmaline veins was intersected at the start of the hole from 5-11 metres grading 0.02 g/t over 6 metres. Drill Hole AGN-21-029 located 700 metres northeast of the Northgate high-grade gold mineralization did not intersect material mineralization, however there were several concentrations of quartz carbonate and black tourmaline stringers as well as minor lamprophyre dikes indicating potential for gold mineralization at depth.
Southwest Step-out Drill Holes from Northgate High-Grade Gold
Drill Hole AGN-21-26 and AGN-21-31 tested 140 metre and 240 metre step-outs to the southwest of the high-grade gold mineralization at Northgate on the inferred trend. AGN-21-26 intersected hanging wall intermediate tuffs and breccias and one quartz vein stringer of 0.23 g/t Au over 0.95 metres at a depth of 75.6 metres but did not intercept the auriferous horizon on the mineralized trend. The 240-metre step-out Drill Hole AGN-21-031 intersected a sheared intermediate tuff from 98–104 metres which may be the strike extension of the mineralized trend; no significant mineralization was returned.
Inferred HST Zone Extension
Drill hole AGN-21-027 tested a weak NE trending AEM anomaly within an area of low resistivity. The area is coincident with anomalous Au from the 2019 biogeochemical survey and is the inferred southwest extension of the HST Zone located 3 kilometres south of the high-grade Raingold area on the HST Zone. The drill hole intersected argillites with minor pyrite at 69.2 metres and a very low Au anomaly consisting of 0.011 g/t Au over 1.3 metres.