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 37
... green blotches ) with siltstone ( pink to reddish brown ) lenses and bands ; occasional sandstone ( fine - grained , greenish grey ) and light green shale bands . Clay ( pinkish white to ash grey and red ) . Calci - lutite / marl ...
... green blotches ) with siltstone ( pink to reddish brown ) lenses and bands ; occasional sandstone ( fine - grained , greenish grey ) and light green shale bands . Clay ( pinkish white to ash grey and red ) . Calci - lutite / marl ...
Page 71
... green palagonite and iron oxide . Amygdaloidal basalt shows 1 to 5 mm size oval shaped vesicles filled with quartz , cal- cite and chlorite . Relict augite is found associated with chlorite , altered skeletal plagioclase , calcite ...
... green palagonite and iron oxide . Amygdaloidal basalt shows 1 to 5 mm size oval shaped vesicles filled with quartz , cal- cite and chlorite . Relict augite is found associated with chlorite , altered skeletal plagioclase , calcite ...
Page 102
... green- schist to middle amphibolite facies , with progres- sive increase in the isograd easterly . The margin is adorned with a zone of cordierite - schist and andalusite - mica - schist , due mainly to the defor- mation , as soon in ...
... green- schist to middle amphibolite facies , with progres- sive increase in the isograd easterly . The margin is adorned with a zone of cordierite - schist and andalusite - mica - schist , due mainly to the defor- mation , as soon in ...
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