Practically all gold-copper magmatic arc systems Discussed herein Contain breccias, and so the processes of
breccia and ore formation are Intimately related. As exploration geologists we seek to further understand the
relationship to the mineralization of the wide variety of breccia types. For instance, the mapping of barren diatreme
breccias may point towards the mineralization elsewhere in the hydrothermal system (below). Yet the terms
used are as numerous as the geologists Involved. The aim here is to:
* focus on the processes of formation of breccias,
* to delineate Differing breccia types, and
* describe the role of breccias in ore formation.
We
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