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 21
... Barotiya Group and the Sendra Group with the migmatized sequences to the west of the Aravalli range and in the inlier are modi- fied unconformities ( discussed later ) . CORRELATION OF GEOLOGICAL EVENTS Structural correlation The Table ...
... Barotiya Group and the Sendra Group with the migmatized sequences to the west of the Aravalli range and in the inlier are modi- fied unconformities ( discussed later ) . CORRELATION OF GEOLOGICAL EVENTS Structural correlation The Table ...
Page 23
... Barotiya Group . Thus , the contact between pre - Delhi ( west ) and Barotiya Group is a modified unconformity and that the tectonism modifying the contact came into opera- tion after the F , phase of folding of the Barotiya Group . The ...
... Barotiya Group . Thus , the contact between pre - Delhi ( west ) and Barotiya Group is a modified unconformity and that the tectonism modifying the contact came into opera- tion after the F , phase of folding of the Barotiya Group . The ...
Page 25
... Barotiya Group in the Phulad area is highly feldspathized . K - feldspathization is otherwise wide- spread in both the Barotiya and Sendra Groups . This K - feldspathization is post - F , and is most probably syn - F2 deformation of the ...
... Barotiya Group in the Phulad area is highly feldspathized . K - feldspathization is otherwise wide- spread in both the Barotiya and Sendra Groups . This K - feldspathization is post - F , and is most probably syn - F2 deformation of the ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
Copyright | |
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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