Drilling was designed as infill in areas of potential early production and extension to the northwest
The mineralised intersections are typical of the Mineral Hill polymetallic deposit style. The deposit is characterised by metal zonation with some areas being more copper-gold rich and others being more leadzinc-silver dominant. The intersections in this round of drilling are characterised by intensely altered lodes 5- 40m wide with chalcopyrite, sphalerite and galena rich veining and breccia fill, with multi-generational quartzcarbonate-sulphide veining and breccias. Selected zones are very high in gold concentration, delivering highly elevated metal endowment overall in copper equivalent terms. Orientated drill core measurements confirm interpretations that the A lode mineralised lodes are steep west dipping consistent with the orientation and distribution of the other SOZ lode zones. A-lode breccia zones 5- 40m true width remain open along strike and down dip with current extents informed by drilling as standing at approximately 400m strike length and 200-250m down dip.
METAL EQUIVALENTS
This announcement quotes metal equivalent grades for significant mineralised intercepts. The process of selecting significant intercepts involves a first pass of calculating In-Situ Copper Equivalent (CuEqIS) by applying factors based on relative metal pricing. The first pass does not include metallurgical recovery. Drill hole intervals are reported as continuous zones at CuEqIS cut off grade of greater than 0.5% and 1.0%, with 2 metres maximum internal waste and minimum interval of 0.3mdh. Price assumptions used are based primarily on consensus forecasts with adjustments based on company expectations. Upon deriving the significant intercepts with CuEqIS, metallurgical recovery is applied to derive copper equivalent (CuEq) factors for reporting. These are calculated by dividing price/unit for each commodity (Cu/t, Au/oz, Ag/oz, Pb/t, Zn/t) and multiplying by the metallurgical recovery.
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