Indian Stratigraphical Nomenclature |
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22nd Intern ammonites bands basal beds are named Biswas Blanford Broch Bull calcareous Callovian Cambay Cambay basin carbonaceous clays colour Cong conglomerates considered equivalent consists essentially consti constitutes the youngest correlated Cretaceous Deccan Traps Dharwar division dolomites Eocene exposed Fermor ferous formation constitutes fossiliferous fossils Geochron Geol Geological gneisses Gond Gondwana granite grey grits Group and consists group is named Gupta Hayden hills Himalaya India IUGS Journ Jurassic Karewas Kashmir King Kumaun Kurnool Kutch L. P. and Evans lime limestones Lower Madhya Pradesh Mathur mation is named Medlicott merates oldest unit Oldham overlain overlies phyllites Precambrian quart quartzites ranges in age rocks sand sandstones Sarkar Sausar schists Semri Group series is named shales Shali siltstones Simla Singhbhum sists Siwalik slates Spiti Stage stones Supergroup Symp thick succession tion constitutes town Traps Triassic tutes unconformably Valdiya valley village Vindhyan volcanics yielded youngest unit zites zone