 This synclinal structure has a lower limb dipping 30 degrees east, and an upper limb dipping between 40 and 60 degrees east.The Emily Ann sulfides are hosted within a discontinuously boudinaged ultramafic unit sandwiched within the felsic footwall units, a position considered to be the product of inclusion within a shear.The sulfides are concentrated within boudin necks between ultramafic boudins and lozenges.