S
WBhuj Formation
WChari FormationA
WKallakurichi Formation
WKatrol FormationB
WKota Formation
WLameta FormationC
WLower Dharmaram Formation
WLower Maleri FormationD
WPatcham Formation
WTakli FormationE
WTrichinopoly Group
WUpper Dharmaram FormationF
WUpper Maleri Formation
WYerrapalli Formation