The Yellowknife Supergroup, also known as the Yellowknife [[greenstone belt]], was deposited over 300 million years from ca. 2.9-2.6 Ga, and directly overlies the CSBC including much of the Eastern Slave Province [REF].
The Neoarchean supracrustal sequence known as the Central Slave Cover Group (informally Dwyer Group) is a 2.9-2.8