F Deposit is the western-most deposit of the Mining Area C iron ore mine 100 km northwest of the town of Newman. The mine is located at the hinge of a deposit scale parasitic synclinal fold within the north dipping limb of the Weeli Wolli Anticline. Ore is concentrated within the keel of the syncline such that both the north and south walls of the proposed pit form dip slopes.
PSM was engaged to develop a geotechnical model for the bedrock, including interpretation of 30 section lines covering 16 cored and 400 non-cored boreholes, associated down-hole geophysical as well as geochemical and structural interpretation.
Engineering and technical opportunities included:
Following a rigorous assessment and modelling, PSM’s tailored approach included:
PSM’s geological and structural modelling and slope design allowed structures of significance to geotechnical design and slope stability to be included (bench to multiple bench scale). Previously, the client had developed deposit scale structures with a focus on ore definition. The PSM approach resulted in improved confidence in the client to develop slope designs.
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