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 6
... bearing schist ( assemblages 4 and 5 ) occupies a long and narrow tract in the south - west . Staurolite is remarkably fresh , idioblastic and free of inclusions . It shows marked pleochroism with X = colourless , Y- pale yellow and Z ...
... bearing schist ( assemblages 4 and 5 ) occupies a long and narrow tract in the south - west . Staurolite is remarkably fresh , idioblastic and free of inclusions . It shows marked pleochroism with X = colourless , Y- pale yellow and Z ...
Page 8
... bearing pelitic and tremolite bearing calc - silicate rocks . 2. Low rank amphibolite facies : garnet , andalusite and staurolite bearing pelitic , intermediate plagioclase , green hornblende + epidote bearing mafic and diopside bearing ...
... bearing pelitic and tremolite bearing calc - silicate rocks . 2. Low rank amphibolite facies : garnet , andalusite and staurolite bearing pelitic , intermediate plagioclase , green hornblende + epidote bearing mafic and diopside bearing ...
Page 95
... bearing carbonate sedimentation . Introduction There are few small old workings in the area around Gohalbaria ( 22 ° 39′35 ′′ : 86 ° 43 ′′ ) in Midnapore district , West Bengal , some of which are known to be opened up for lead about ...
... bearing carbonate sedimentation . Introduction There are few small old workings in the area around Gohalbaria ( 22 ° 39′35 ′′ : 86 ° 43 ′′ ) in Midnapore district , West Bengal , some of which are known to be opened up for lead about ...
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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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