The Katanga basin of the Central African Copperbelt is a significant source of sedimentary-hosted copper deposits. The stratiform and vein-type deposits are distinguished along the belt. unlikely like porphyry deposits where the geochemistry of some hydrothermal minerals (e.g., chlorite) are applied to track the core of the orebody, such minerals seem to be lacking in CAC. Based on a specific prospect or deposit, how to develop a geochemical predictive tool for sedimentary hosted copper deposit? What can be elemental geochemical pathfinders for prospecting sediment-hosted copper deposits?
Dear Dr. Kevin Azeuda
Chlorite is not a pathfinder in most cases, but it is easy to give us an indication for alteration which is usually associated with some type of ore deposits and mineralizations. I think you can find the relationships between the metals and copper, the factors that control the distribution of ore (in both cases massive or veins), the gangue minerals and the host ore minerals, the pathways for fluids, and the type and intensity of alterations. Understanding these parameters will help you to develop a geochemical predictive tool for the Central African Copperbelt.
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With best wishes
Mohamed Faisal
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