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Some of the principal lithologies and mineralisation at the Las Bambas, Chalcobamba deposit: Top left: Characteristic exposures of magnetite-rich skarn (dark rocks) on the hill at Chalcobamba; Lower left: magnetite-garnet-epidote endoskarn; Lower centre: mineralised magnetite-garnet-epidote endoskarn; Top right: Magnetite replacing prograde garnet exoskarn; and Lower right: sulphides replacing both prograde garnet and the overprinting retrograde magnetite in the exoskarn. In the same area, late garnet can also be seen overprinting prograde garnet, retrograde magnetite and sulphides. Images by Mike Porter, 2018. 
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