Records of the Geological Survey of India, Volume 123, Part 2The Survey, 1990 - 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 1
... sequence of the Nainital synform ( Fig . 1 ) . The palaeontological evidences suggest that the Precambrian - Cambrian boundary in the Nainital synform lies in between the Upper Krol dolomite ( Krol C ) and the Middle Krol ( Krol B ) ...
... sequence of the Nainital synform ( Fig . 1 ) . The palaeontological evidences suggest that the Precambrian - Cambrian boundary in the Nainital synform lies in between the Upper Krol dolomite ( Krol C ) and the Middle Krol ( Krol B ) ...
Page 8
... sequence . Shallow dugwells are the main source of data as outcrops are very rare and are extensively covered by Mio - Pliocene Cuddalore Formation and Recent alluvium . Twentyfive samples mainly from Nesal Formation ( Upper Cre ...
... sequence . Shallow dugwells are the main source of data as outcrops are very rare and are extensively covered by Mio - Pliocene Cuddalore Formation and Recent alluvium . Twentyfive samples mainly from Nesal Formation ( Upper Cre ...
Page 220
... sequence above Seam No. 1 shows a persis- tent development of variegated clay / shale along with a number of carbonaceous shale and coal- shale horizons varying in thickness from 0.17m to Fig . 4 2.75m . The top 50 to 75m of the sequence ...
... sequence above Seam No. 1 shows a persis- tent development of variegated clay / shale along with a number of carbonaceous shale and coal- shale horizons varying in thickness from 0.17m to Fig . 4 2.75m . The top 50 to 75m of the sequence ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
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aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barakar Barakar Formation Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone located MADHYA PRADESH mafic magnetic Marine Wing metamorphic migmatites million tonnes mineralisation NW-SE occur Orissa phyllite PRADESH Code Precambrian quartz quartzite range Raniganj REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL whole rock zone