The BGB is contained within part of a larger system called the Barberton Granite Greenstone Terrain (BGGT) which includes two main components; the supracrustal succession, which defines the BGB portion, and the deeper-level intrusive units that surround the BGB.
The BGB is contained within part of a larger system. This larger system is called the Barberton Granite Greenstone Terrain (BGGT). This Barberton Granite Greenstone Terrain (BGGT) includes two main components; the supracrustal succession, and the deeper-level intrusive units. These deeper-level intrusive units surround the BGB. The supracrustal succession defines the BGB portion.