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Niobec – Block Caving chosen as thecarry forward scenario22Orebody – Cavability Potential®• Niobec mine cavability was an action item from the SRDP to bepursued at pre-feasibility.• None of the experts consulted have identified any fatal flawsduring the exercise.• Rock mass good quality could lead to big size rocks.› Special design considerations and equipment were factoredin the study to address this issue.• The size of the deposit is particularly suitable for Block Caving.• Ultimate draw height of 700m. Suggested by both cavingconsultants