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 73
... pyrite and pyrrhotite . Metabasalts show relict pyroxene and uralite . The mineral assemblages in the variolitic lavas of the upper stratigraphic levels suggest low rank metamorphism , of greenschist facies . The minera- logical and ...
... pyrite and pyrrhotite . Metabasalts show relict pyroxene and uralite . The mineral assemblages in the variolitic lavas of the upper stratigraphic levels suggest low rank metamorphism , of greenschist facies . The minera- logical and ...
Page 80
... pyrite - pyrrhotite confined to banded ferruginous chert and the other vein type ( massive sulphides ) mineralisation associated with submarine pillowed volcanics . The Ingaldhalu sulphide mineralisation perhaps commenced when dominant ...
... pyrite - pyrrhotite confined to banded ferruginous chert and the other vein type ( massive sulphides ) mineralisation associated with submarine pillowed volcanics . The Ingaldhalu sulphide mineralisation perhaps commenced when dominant ...
Page 102
... pyrite , the second and the major one as a fracture fill- ing in the quartz - arsenopyrite ensemble and the third innocuous one replacing sphalerite and occasional galena . A broad genetic link with the 1st deformation for the ...
... pyrite , the second and the major one as a fracture fill- ing in the quartz - arsenopyrite ensemble and the third innocuous one replacing sphalerite and occasional galena . A broad genetic link with the 1st deformation for 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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Common terms and phrases
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