Ann: High-Grade Copper Discovery at Mt Craig Project, SA, page-122

Yep - Tindalpina Formation pretty skinny but often seems to be pyritic when present, there are Tindalpina Shales mapped at the Mountain of Light Cu mine near Copely and many of the associated copper deposits near the Mt Coffin area. I think its all similar stuff but for some reason the weathering and oxidation at Mountain of Light has removed most of the sulphides. Always seems to be better chalcopyrite with cross-faulting and veining associated with Diapiric Breccias (or along strike from them) but there are more stratiform pyritic beds and bands within the Tindalpina Fm as well.

As I'm sure you know, there are hundreds of small copper deposits thoughout the Flinders Ranges and they are all mostly very small, and usually located in extremely inconvenient locations miles from any roads or power.