Records of the Geological Survey of India, Volume 116The Survey, 1987 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 21
... Lower Triassic and Ladinian Stage . They encountered the presence of several ammonoid - zones of Lower Triassic in particular , a rich horizon of Prohungirites with rich fauna , present in four distinct layers . They consider that the ...
... Lower Triassic and Ladinian Stage . They encountered the presence of several ammonoid - zones of Lower Triassic in particular , a rich horizon of Prohungirites with rich fauna , present in four distinct layers . They consider that the ...
Page 114
... Lower Miocene age . A few radiolarians , diatoms and sponge spicules were also recorded . 2. A. K. Chatterji studied ... lower- most zone ( 192.53 m - 230.60 m ) is characterised by Pteridophytic spore Callimispora and Gymospermous ...
... Lower Miocene age . A few radiolarians , diatoms and sponge spicules were also recorded . 2. A. K. Chatterji studied ... lower- most zone ( 192.53 m - 230.60 m ) is characterised by Pteridophytic spore Callimispora and Gymospermous ...
Page 136
... ( Lower Permian ) . Thus the marine marine Permian sequence in Arunachal Himalaya , earlier thought to represent only Lower Permian fauna , has been found to extend at least upto Upper Permian based on invertebrate fossil assemblage ...
... ( Lower Permian ) . Thus the marine marine Permian sequence in Arunachal Himalaya , earlier thought to represent only Lower Permian fauna , has been found to extend at least upto Upper Permian based on invertebrate fossil assemblage ...
Contents
INTRODUCTION | 1 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 7 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 15 |
Copyright | |
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amphibolite analysed Andhra Pradesh anomaly Asstt attended bands Bangalore basalt basalt flows basemetal basin Bihar Bijawar biotite block boreholes Calcutta carried charnockite Circle clay coal coalfield core covering an area Deccan Trap deposits depth Director District Divn dolomite drill holes dykes exploration exposed folds Formation geochemical geological mapping Geologist Jr Geology Division Geophysical geotechnical investigations Ghosh gneiss Gondwana grade granite gneiss Group Headquarters Hydel Hyderabad indicated Karnataka Kumar Laboratory laterite limestone line km located logged Lucknow Madhya Pradesh magnetic Maharashtra mapped an area meeting mica million tonnes mineral mineralisation Nagpur nala Orissa pegmatite phyllite Project quartz quartzite Quaternary Rajasthan Regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shillong Shri Singh soil spillway sq km sq km area Srivastava strike length studies Supergroup surveys thickness toposheet traverse trending tunnel upto varying Vindhyan