Marimaca is due to release the definitive feasibility study at its namesake project in Chile in the next few months, which will outline a ‘green copper' operation that management is confident will pass muster with in-country regulators. What it won't do is describe the potential beyond that initial project. We ask CEO Hayden Locke about all things DFS, permitting and press him on how big the regional presence could become if exploration programs deliver the anticipated success.