Golden Star Resources Ltd. Chujah gold deposit. Ghana.
Sheared graphitic sedimentary rocks of the Kumasi basin in contact with altered mafic volcanic lenses.
Mineralized graphitic shear zone characterized by quartz vein boudins and ankerite alteration.
Source:
NI 43-101 Technical Report on Resources and Reserves, Golden Star Resources, Bogoso/Prestea Gold Mine, Ghana