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At the suggestion of Cyril S. Fox of the Geological Survey of India (GSI) he decided to work on a book on Indian stratigraphy. This resulted in the publication of Geology of India and Burma in 1943 and the Introduction to Geology of India in 1944. The first book has gone through 6 editions and has also been translated into Russian.
Due to continental drift, the India Plate split from Madagascar and collided with the Eurasian Plate resulting in the formation of the Himalayas.. The earliest phase of tectonic evolution was marked by the cooling and solidification of the upper crust of the earth's surface in the Archaean Era (prior to 2.5 billion years) which is represented by the exposure of gneisses and granites especially ...
Western Ghats-Central Indian Volcanic Province (WVP) (age: Late Maastrichtian to Danian) Saurhastra-Kutchh Province (age: ? Maastrichtian [ 9 ] to early Eocene [ 11 ] )
Geologic: the GSSP has been recommended to be placed at a stratigraphic level beneath the first appearance of widespread glaciation associated with the Sturtian glacial epoch. [79] - [79] Tonian: 1000 Defined chronometrically - - [80] Mesoproterozoic: Stenian: 1200 Defined chronometrically - - [80] Ectasian: 1400 Defined chronometrically ...
The first fossils found in the Lameta Formation were discovered between 1917 and 1919. [2]The Lameta Formation was first identified in 1981 by geologists working for the Geological Survey of India (GSI), G. N. Dwivedi and Dhananjay Mahendrakumar Mohabey, after being given limestone structures–later recognised as dinosaur eggs–by workers of the ACC Cement Quarry in the village of Rahioli ...
The Northern Indian State Himachal Pradesh is located in the Western Himalaya (Fig. 1). It has a rugged terrain, with elevation ranging from 320m to 6975m. [ 2 ] Rock materials in the region are largely from the Indian craton , [ 3 ] and their ages range from the Paleoproterozoic to the present day. [ 4 ]
National Geological Monuments are geographical areas of national importance and heritage, as notified by the Government of India's Geological Survey of India (GSI), for their maintenance, protection, promotion and enhancement of geotourism. [1] [2] [3]
The stratigraphic succession of the western sub-basin shows virtually complete lithostratigraphic succession from Early Cretaceous to Recent sediments. The western sub-basin portion belonging to West Bengal is characterized by gentle eastward slopes and numerous step faults with small displacements.