Records of the Geological Survey of India, Volume 113, Part 3The Survey, 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. |
From inside the book
Results 1-3 of 44
Page 5
... quartz indicates that the rock is aturated with silica and the absence of a co - existing arbonate mineral suggests that the lowermost metamor- phic facies is the upper greenschist facies ( Turner , 1968 ) . Hornblende - schist and ...
... quartz indicates that the rock is aturated with silica and the absence of a co - existing arbonate mineral suggests that the lowermost metamor- phic facies is the upper greenschist facies ( Turner , 1968 ) . Hornblende - schist and ...
Page 34
... quartz , plagioclase ( al oligoclase , microcline , orthoclase , riebeckite , actino calcite with subordinate amount of biotite , musco Geological Studies ( ii ) carbonate rich granite The major rock types of the area are different ...
... quartz , plagioclase ( al oligoclase , microcline , orthoclase , riebeckite , actino calcite with subordinate amount of biotite , musco Geological Studies ( ii ) carbonate rich granite The major rock types of the area are different ...
Page 51
... quartz - schist has been intruded by a mber of quartz - veins which are milky white and occur impersistent lenticular bodies . Samples of this milky te quartz veins when analysed showed no gold value . h milky white quartz veins ...
... quartz - schist has been intruded by a mber of quartz - veins which are milky white and occur impersistent lenticular bodies . Samples of this milky te quartz veins when analysed showed no gold value . h milky white quartz veins ...
Contents
Structural evolution of Precambrians in parts of north Singhbhum BiharA Gupta | 13 |
Geology and mineralisation along the northern shear zone Purulia district West | 25 |
BengalAn upto date appraisalM N Kumar N Das and S Das Gupta | 33 |
9 other sections not shown
Other editions - View all
Common terms and phrases
anomaly zone antiform apatite assemblage axial plane axis bands Barakar Formation Baripada Basu Beldih belt Bihar biotite carbon-phyllite Cataclasite Chaibasa Chaibasa Formation chlorite chlorite schist horizon conglomerate contours copper Dalma syncline deformation Dhanjori dipping district domains Dubrajpur Formation Dulmi F₁ F₂ feldspars folds foliation fraction geochemical Geol Geological Survey geophysical Ghosh gneiss grains granite granite gneiss granitic rocks Gupta hill hornblende Kandra Kutni kyanite limestone lineation magnetite metamorphic mica schists migmatites mineral mineralisation muscovite Northern Shear Zone occur Orissa panned heavy pelitic phyllite plagioclase planar Plate plunging Precambrian puckers pyrite quartz quartzite Rajmahal Rangpo Records Volume 113 regional S₁ plots S₂ samples Sarkar Sarwan Pahar section schist schistosity sector sequence sericite Shear Zone silicified Singhbhum Singhbhum Shear Zone springs stratigraphic stream sediment structural Subarnarekha river sulphide Surv Survey of India tectonic tectonite trench Turamdih upto