Records of the Geological Survey of India, Volume 120, Parts 2-8government of India., 1985 - 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 26
... ment reactivation ) , presence of basement slices and establishment of sialic basement for the four groups of the Delhi Supergroup suggest that the Delhi Supergroup of rocks were formed in intra- cratonic basins . ACKNOWLEDGEMENT The ...
... ment reactivation ) , presence of basement slices and establishment of sialic basement for the four groups of the Delhi Supergroup suggest that the Delhi Supergroup of rocks were formed in intra- cratonic basins . ACKNOWLEDGEMENT The ...
Page 43
... ment . But part of it is possibly non - marine , hav- ing formed in a sea - marginal environment in an arid climatic belt , i.e. supra - tidal coastal sabkha- type environment . This is evidently a case of syn- sedimentary environment ...
... ment . But part of it is possibly non - marine , hav- ing formed in a sea - marginal environment in an arid climatic belt , i.e. supra - tidal coastal sabkha- type environment . This is evidently a case of syn- sedimentary environment ...
Page 75
... ment 4.5 times more than the average metabasalt although its content is low relative to Cu and Zn ( Vasudev , 1982 ) . 2 Sulphide bearing chert : This unit forms a part of the stratiform sulphide and contains high SiO ,, Fe , O ,, low ...
... ment 4.5 times more than the average metabasalt although its content is low relative to Cu and Zn ( Vasudev , 1982 ) . 2 Sulphide bearing chert : This unit forms a part of the stratiform sulphide and contains high SiO ,, Fe , O ,, low ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
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anhydrite antiform Aravalli range average axial planes bands Barotiya and Sendra Barotiya Group basalts basin Bhim Group block boreholes Chaibasa channel chert Chitradurga chlorite clay crescentic lamina deformation Delhi Delhi Supergroup deposit developed Devgarh Devgarh Group dextral Dhanjori drilling east eastern evaporites exploration F₂ folds folds F formation Geol Geological map geophysical gneiss gold grade granite gravity ground water halite Haryana hinge Hutti Ingaldhalu iron isoclinal Jodhpur laterite limb lineation lode metabasalts metamorphism migmatization mineral mineralisation minor folds Nagaur occur phase of folding planar plunge polyhalite pre-Delhi inlier pre-Delhi west Precambrian Punjab quartz quartzite Rajasthan Rajgarh Rajgarh Group Ras Marble red beds regional rocks Rohtak district samples schist schist belt schistosity sediments Sendra Group sequence shear zone Singhbhum strand plain stratigraphic Strike Reef structures sulphide Supergroup Surv Survey of India synform tectonic thickness tion trend Tuff values variogram Vasudev volcanics western