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These drill holes, combined with Stage I drilling and geophysical inversion modelling, suggested that a large body of magnetite gneiss occurs in the area, possibly as an overturned isoclinal fold, with a south southeast dipping axial plane.
Various forms of minor folds that are found associated with the rocks of the Imphal Valley are Coffer (Box) fold, Sharp (Angular) fold, Isoclinal fold, Harmonic and Disharmonic fold.
A single traverse of eight drill holes at Murphy South, combined with Stage I drilling and geophysical inversion modelling, suggests that a large body of magnetite gneiss occurs in this area as a large overturned isoclinal fold, with a south southeast dipping axial plane.
Recent trenching and ground electromagnetic surveys indicate that the host Willett horizon also occurs some 2600 feet to the north on the opposite limb of an isoclinal fold.
Since the Bonanza Ledge is interpreted as a replacement body that is replacing the fold noses of tight isoclinal folds that in the Bonanza Ledge area are flat lying rod shaped bodies, it is believed that these intersections represent true thickness or as close as true thickness can be estimated in this style of mineralization.