Meso-Neoproterozoic basins of the Bastar craton | |||
Indravati basin |
| Chattisgarh basin | |
|
| (Chattisgarh Supergroup) | |
Indravati Group |
| Raipur Group | |
|
| Formation | Lithology |
|
| Tarenga Formation | Purple shale, and purplelimestone |
|
| Chandi Formation | Grey and pink limestone |
|
| Gunderdehi Formation | Pink and purple shale/grey shale |
|
| Charmuria Formation | Grey limestone/ White to buff clays |
Formation | Lithology | Chandrapur Group | |
Jagdalpur Formation | Calcareous Shales with purple and gray stromatolitic dolomite | Kansapathar Formation | White sandstone |
Kanger Limestone | Purple limestone grey limestone | Chopardih Formation | Reddish brown and olive green sandstone |
Cherakur Formation | Purple shale with arkosic sandstone and chert pebble conglomerate, grit | Lohardih Formation | White pebbly sandstone |
Tiratgarh Formation | Chitrakot sandstone member (quartz arenite) |
|
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| Mendri sandstone member (subarkose and conglomerate) |
|
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Unconformity | |||
Archean granites, gneisses and older supracrustals (Sonakhan greenstone belt). |