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deccan plateau map india physical eastern indian western river ghats regions maps peninsular desert region geography plateaus world southern south
deccan fracture owen traps zone trap basalt region plate tectonic tempo conversations ghats western basalts features hypothesis plume sheth beyond
deccan traps complexes outcrops igneous rhyolitic rajasthan
deccan traps volcanism seismic eos
deccan trap subcontinent alluvial plains contribution geoscientists tectonics tectonic generalized