Petrogenesis and tectonic setting of the Bondla mafic-ultramafic complex, western India: Inferences from chromian spinel chemistry
Crustal-scale shear/suture zones hold prime importance because they are one of the critical
parameters used for paleogeographic configurations of supercontinental assemblies. The
Kumta suture, located on the western margin of peninsular India, has been interpreted as
the eastern extension of the Betsimisaraka suture zone of Madagascar. This suture
separates the Karwar block (ca. 3200 Ma tonalite-trondhjemite-granodiorite (TTG) and
amphibolite) in the west from a quartzite-dominated shelf that overlies ca. 2571 Ma quartzo …
parameters used for paleogeographic configurations of supercontinental assemblies. The
Kumta suture, located on the western margin of peninsular India, has been interpreted as
the eastern extension of the Betsimisaraka suture zone of Madagascar. This suture
separates the Karwar block (ca. 3200 Ma tonalite-trondhjemite-granodiorite (TTG) and
amphibolite) in the west from a quartzite-dominated shelf that overlies ca. 2571 Ma quartzo …
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