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Figure 4 Detail of the Amazonica Craton within Brazil The São Luiz deposit, although lying within the limits of the Amazonico Craton, is not located over an area of craton root, but within the 1.75 - 1.5 Ga Rio Negro Juruena Mobile Belt. 1 - Central Amazonico Province, 2 - Maroni Mobile Belt, 3 - Rio Negro Juruena Mobile Belt, 4 - Rondoman Mobile Belt, 5 - Phanerozoic Cover, 6 - Alluvial Diamond Occurrences 7 - Juina diamond deposits (São Luiz). After Tompkins (1992) |