Narrower Terms (27)

• Agulhas Arch (South Africa)
• Athabasca Group (Sask. and Alta.)
• Cango Caves Group (South Africa)
• Copper Harbor Conglomerate (Mich.)
• Daling Group
• Fleming Formation (N.L. and Québec)
• ▶ Geology, Stratigraphic--Archaean
• ▶ Geology, Stratigraphic--Proterozoic
• Hollis Quartzite (Ala. and Ga.)
• Hoodoo Quartzite (Idaho)
• Huis Rivier Formation (South Africa)
• Khoabendus Group (Namibia)
• ▶ Matjies River Formation (South Africa)
• Nama Group (Namibia)
• Paxton Group
• Pongola Supergroup (South Africa)
• Portage Lake Volcanics (Mich.)
• Pumpkinvine Creek Formation (Ga.)
• Sinclair Group (Namibia)
• Sioux Quartzite
• Snowslip Formation (Mont.)
• Spokane Formation (Mont.)
• Tygerberg Formation (South Africa)
• ▶ Vryburg Formation (South Africa)
• Waterberg Supergroup (South Africa and Botswana)
• Witvlei Group (Namibia)
• Yellowjacket Formation (Idaho)