The Proterozoic cratonic basins of peninsular India preserve records of repeated opening and closing of rifts along the zone of Neoarchean sutures and/or along the weak zones.These sedimentary basins,ranging in age fr...The Proterozoic cratonic basins of peninsular India preserve records of repeated opening and closing of rifts along the zone of Neoarchean sutures and/or along the weak zones.These sedimentary basins,ranging in age from late Palaeoproterozoic through Neoproterozoic are traditionally referred to as Purana basins in Indian literature.The successions of each of the basins may be represented by successive unconformity-bound sequences,which represent several cycles of fluvialshallow marine to shelf-slope-basin sedimentation punctuated by local hiatuses and/or volcanic upheavals.The advance retreat of ancient seaways and their complex are recorded in the sedimentary successions of Purana basins.展开更多
文摘The Proterozoic cratonic basins of peninsular India preserve records of repeated opening and closing of rifts along the zone of Neoarchean sutures and/or along the weak zones.These sedimentary basins,ranging in age from late Palaeoproterozoic through Neoproterozoic are traditionally referred to as Purana basins in Indian literature.The successions of each of the basins may be represented by successive unconformity-bound sequences,which represent several cycles of fluvialshallow marine to shelf-slope-basin sedimentation punctuated by local hiatuses and/or volcanic upheavals.The advance retreat of ancient seaways and their complex are recorded in the sedimentary successions of Purana basins.
