Structural Controls on Shallow Copper Sulfide Systems

[All About Geology]

Let’s discuss structurally-controlled copper systems.

In shallow, fault-driven hydrothermal systems, the transition zones can be incredibly complex, especially when dealing with mixed chalcopyrite and malachite mineralization along the fracture networks. The structural lineaments dictate everything from the primary fluid pathways to the extent of the supergene overprint.

When mapping these specific structures in the field, what macroscopic vectors (specific breccia types, alteration halos) do you find most reliable for predicting the thickness of the primary sulfide zone below?

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