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 16
... Pre - Delhi Five phases of folding are identified on mesoscopic scale within the pre - Delhi . However , in the pre - Delhi east of the Bhim Group , gener- ally four phases are prominently displayed . The earliest episode has produced ...
... Pre - Delhi Five phases of folding are identified on mesoscopic scale within the pre - Delhi . However , in the pre - Delhi east of the Bhim Group , gener- ally four phases are prominently displayed . The earliest episode has produced ...
Page 24
... pre - Delhi . On the regional scale , apparently there is no metamorphic break between the pre - Delhi and the Barotiya and Sendra Groups , but on a limited field scale , the sillimanite grade of the pre - Delhi occurs in direct contact ...
... pre - Delhi . On the regional scale , apparently there is no metamorphic break between the pre - Delhi and the Barotiya and Sendra Groups , but on a limited field scale , the sillimanite grade of the pre - Delhi occurs in direct contact ...
Page 25
Geological Survey of India. of migmatization ( syn- to post - F2 ) has produced augen gneiss in the pre - Delhi ( inlier ) . The semipelitic schist ( intertrappean ) of the Barotiya Group in the Phulad area is highly feldspathized . K ...
Geological Survey of India. of migmatization ( syn- to post - F2 ) has produced augen gneiss in the pre - Delhi ( inlier ) . The semipelitic schist ( intertrappean ) of the Barotiya Group in the Phulad area is highly feldspathized . K ...
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