Gold79 Mines Ltd. announced preliminary results for the first four drill holes (223 meters) from its recently completed 16 hole program at the Gold Chain project in western Arizona. The four holes highlighted in this release were drilled across the northernmost exposures of the Tyro target and tested broadly mineralized surface exposures at depths from 20 to 40 meters below the surface. Results from the remaining 12 holes (852m) are pending. Highlights: Drilling has confirmed broad consistent gold mineralization at the Tyro target area; Drill hole GC21-15 returned 2.0 g/t gold over 21.3m starting 12m downhole; Drill hole GC21-14 returned 1.85 g/t over 19.8m starting 29m downhole; Tyro is largely open at depth and on strike All four RC holes in Table 1, were drilled from the hanging wall beneath surface vein exposures and limited mine workings at 50 to 60 degrees and encountered variable quartz veining over broad intervals. Surface exposures consist of discrete quartz-chalcedony-adularia-calcite veins up to 2 meters encompassed by a broad package of veins and veinlets. The wall rock for the entire Tyro target is a Precambrian granite which is strongly chloritized within the vein package; the vein system dips steeply to the southeast about 70 degrees. Tyro Geology: The Tyro mine was developed both initially underground and then as an open pit in the 1980s along a broad zone of quartz-chalcedony veins and stockwork hosted by Pre-Cambrian granite. The zone trends NNE, dips steeply and can be traced for over 1 kilometer. Open pit exposures reveal a width from 30 to 60 meters. Prior to 1930, a shaft was sunken to a depth of 500 feet with workings down to the 200-foot level; underground production was minimal and production from the open pit is not currently known. The vein terminates to the SW into a few NNW-trending rhyolite dikes and appears to horsetail to the northeast. Meaningful gold values have been identified over its entire strike length. The Tyro target is referred to as a Type B target which are north-trending transverse structures to the northwest-trending mineralized zones which parallel and define the North Oatman trend. The North Oatman trend gold mineralization, composed of quartz-calcite-adularia-fluorite veins and veinlets, is spatially associated with the rhyolite dike complex for about 10km. Type B targets tend to host discrete veins, like Sunset and Tyro. Vein from the Tyro target strongly resembles vein from the gold-rich, epithermal Oatman district, about 15 to 20 km to the south. At Oatman, several veins have been exploited to depths greater than 200 to 400 meters at 10 to 20 g/t Au with average widths ranging from 3 to 10 meters. The Tyro target, which ranges from 20 to 50 meters, is likely an upper-level manifestation of an Oatman-type vein with broad, sheeted vein complexes coalescing into a discrete, high-grade vein at depth. It is reported that the historical shaft on the Tyro target, about 350 meters to the southwest of these drill holes, was developed to a depth of about 150 meters and was likely developed on vein.