Photo 1a

Photo 1a

Photo 1a. 334 m depth in HK20-002; wholesale replacement of host rock by hematite, carbonate, apatite, chalcopyrite and pyrite, with a density of 3.46 g/cm3 and 1240 ppm Cu in top row of box. This type of alteration is elevated in the LREEs La, Ce, Y and P, and exemplifies copper deposition by IOCG-affinity fluids and cross cuts the intensely potassic altered sovite carbonate-fluorite dykes in the bottom two rows or core.

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