philip escher hbsc thesis abstract

the gold creek prospect is hosted in a brittle-ductile shear zone within the eastern margin of the peewatai pluton, a dioritic to monzodioritic intrusion in supracrustal rocks of the greenwater and shebandowan assemblages, within the shebandowan greenstone belt of the southern superior province.  the deformed plutonic host rock, a quartz-feldspar gneiss, is cross-cut by discrete east-northeast-to east-trending dextral shear zones.  gold mineralization occurs in approximately north-trending extensional veins, which are hosted entirely within quartz-feldspar gneiss along the contact of ductile shear zones.  the emplacement of the auriferous extensional veins is interpreted to have taken place contemporaneously during dextral shearing.