11. The Siberian craton is known for its large mineral resources. 12. The craton outcrops in the Brazilian states of Minas Gerais and Bahia. 13. Rocks from the cratons have influenced the composition of Cerro Rico stocks. 14. The field is located at the edge of the North China Craton . 15. Moscow Oblast is located in the central part of the East European craton . 16. The process by which cratons are formed from early rock is called cratonization. 17. Three cratons in East Antarctica are of similar age but not well known. 18. This accounts for the great age of the rocks comprising the continental cratons . 19. Chinese cratons collided with Siberia's southern coast. 20. This is partly because several dike zones in the Superior craton remain undated.
