Metasedimentary rocks occur associated with intrusive amphibolites in a linear belt.
Volcano-sedimentary association confined to the western margin of the BGC-I.
Cannibalism is inferred as cause of heterogeneity in geochemistry and low CIA.
Inferred source rocks include the mafic enclaves and the host basement gneisses.
Aravalli craton was part of the Ur supercontinent.