Patranabis Deb, SFukuoka, Masato2012-05-162012-05-161998Journal of geology,V106,P739-747http://hdl.handle.net/10263/4081enFe-illitesProterozoicFe-illites in aproterozoic deep marine slope deposit in the penganga group of pranhita godavari valley : their origin and environmental significanceArticle