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. |
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Page 25
... upto Khatra ( 22 ° 58′40 ′′ N 86 ° 51′45 ′′ E ) in kura district and Western extension upto Tamar ( 23 ° 02′30 ′′ N : 86 ° 39′30E " ) in Bihar ( Fig . 1 ) . The occurrences of apatite , base metals and refractory minerals along the ...
... upto Khatra ( 22 ° 58′40 ′′ N 86 ° 51′45 ′′ E ) in kura district and Western extension upto Tamar ( 23 ° 02′30 ′′ N : 86 ° 39′30E " ) in Bihar ( Fig . 1 ) . The occurrences of apatite , base metals and refractory minerals along the ...
Page 37
... ( upto 60 ppm ) and Zn ' ( L 200 ppm ) . Bulk samples ( 8kg ) from both the above sections analysed less than 0.5 ppm of Au . Phosphate bearing rock The Beldih apatite magnetite zone shows intimate association with carbonates both ...
... ( upto 60 ppm ) and Zn ' ( L 200 ppm ) . Bulk samples ( 8kg ) from both the above sections analysed less than 0.5 ppm of Au . Phosphate bearing rock The Beldih apatite magnetite zone shows intimate association with carbonates both ...
Page 49
... mapping Ling Department , after examination of the prospect and geological setting concluded " that upto the present nothing has been found on the Pahardia ( 22 ° 30 ′ 05 ′′ : 984 25 ° 25 ORIENTATION PATTERN OF SURFACES IN KHARAGPU 7 49.
... mapping Ling Department , after examination of the prospect and geological setting concluded " that upto the present nothing has been found on the Pahardia ( 22 ° 30 ′ 05 ′′ : 984 25 ° 25 ORIENTATION PATTERN OF SURFACES IN KHARAGPU 7 49.
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 |
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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