Goseong Cu-Au

The Goseong mining district was South Korea’s main copper producing region from 1915-1945 and 1970-1992 with some 11 small-scale producing underground mines.

The geology is dominated by volcanic-sedimentary basin sediments intruded by sub-volcanic andesite and granodiorite porphyry plugs.

The Goseong Project comprises 24 exploration licence applications and one granted exploration licence covering approximately 70 square kilometres. The project contains 3 historic mines with veins systems up to a metre wide and up to 800 metres long. Extensions to the north and south of the district have also been acquired through reconnaissance exploration along the broad NS to NNW-SSE trend of the district mineralisation.

Veins exhibit more than one generation of hydrothermal quartz and breccia, as well as comb-banded textures. Sulphide mineralogy comprises chalcopyrite, pyrite, pyrrhotite, sphalerite and galena, and indicate a hydrothermal-magmatic origin for the veins, which share similarities to sheeted veins systems found at the periphery of intrusive-hosted, and porphyry-style copper-gold deposits. This represents a potential, deeper target type for future exploration investigation, in addition to the shallower vein systems of the district. Significant results from historical drilling conducted by KORES reported include 21m (not true width) @ 2.5g/t Au and 54g/t Ag near Buyeong Mine, and 6.2m @ 54g/t Ag and 1.03% Cu near Goseong Mine

A drone magnetic survey was completed over the western targets at Goseong in November 2022. The survey was flown over the western targets Goseong, Won-Guem and the 150m vein and to help with structural and lithological interpretation for drillhole targeting.

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