STRATIGRAPHY
MARINE BED
Bagh bed
Bap marine bed ~ equivalent to Talchir formation
Umaria marine bed
Manendragarh marine bed
Subathu formation - youngest marine formation
FRESHWATER BED
Lameta bed
Nirmar sandstone
GLACIAL BEDS
Talchir beds
Blaini formation
GONDWANA SUPERGROUP
Upper Gondwana : JRM (Jabalpur, Rajmahal, Mahadeva)
Lower Gondwana : PDT (Panchet, Damuda, Talchir)
UPPER GONDWANA FLORAS
Ptillophylum - leaf
Pterophyllum - leaf
Otozamites - leaf
Dictyozamites - leaf
Dichroidium - leaf
Nilsonia
Willliamsonia - flower
LOWER GONDWANA FLORAS
Glossopteris - leaf
Gangompteris - leaf
Neograthiopsis - leaf
Vertebratia - Stem
Phyllotheca
DIFFERENT ROCK AGES
Sinbhum granite-A : 3300 ma
Singhum granite-B : 3100 ma
Mayurbhanj granite : 3050 ma
Temperkola granite : 2800 ma
Berach granite : 2700 ma
Soda granite
Bijli Rhyolite : 2400 ma
Pitepani volcanics
Dongargrah/Malanjkhand Granite: 2300 ma
Erinpura granite : 1100 ma
Malani igneous suite : 960 ma
DIFFERENT TRAPS
Rajmahal trap : Jurassic
Sylhet trap : Eocene
Deccan trap : Upper cretaceous
Malani rhyolite : Neo proterozoic
Dras volcanic : Paleozoic
LOCALITIES AND ORE DEPOSITS
Malanjhkhand : Copper and Molybdenum
Pulivendla and Vempalle : Baryte and Asbestos
Rewa formation - Panna : Diamond
Ambaji-Deri : Lead Zinc
Lapsaburu : Kyanite
Gadag : Gold
FOSSIL GROUP AND AGE OF EXTINCTION
Trilobite : Permian
Conodont : Triassic
Ammonites : Cretaceous
Belemnites : Cretaceous
Dinasaur : Cretaceous
Archaeocytha : Cambrian
IMPORANT FORMATION AND THEIR AGES
Tal formation : Cambrian
Baisakhi formation : Mesozoic
Kopili formation : Cenozoic
Barakar formation : Paleozoic
Blaini formation : Glacial derived shale
Mamal formation : Carboniferous
Maleri : Triassic
Dalma volcanics : Meso to paleoproterozoic (Singbhum craton)
Kamthi formation : Triassic
Neobolous beds : Cambrian