Records of the Geological Survey of India, Volume 117, Issues 1-2Vols. 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 40
... Group ( A ) 5.81 m Bonbahal Group ( B ) 0.84 m -- Bon bahal Group ( C ) 1.39 m - 1.78 m 2.80 m 2.48 m 7.19 m 2.40 m 2.05 m Bon bahal Group ( D ) Kenda Chora 1.62 m - 1.91 m 1.06 m -- 1.30 m en- in two boreholes ( RKS - 9A and 10 ) ...
... Group ( A ) 5.81 m Bonbahal Group ( B ) 0.84 m -- Bon bahal Group ( C ) 1.39 m - 1.78 m 2.80 m 2.48 m 7.19 m 2.40 m 2.05 m Bon bahal Group ( D ) Kenda Chora 1.62 m - 1.91 m 1.06 m -- 1.30 m en- in two boreholes ( RKS - 9A and 10 ) ...
Page 395
... Group , ( iv ) The Khasi Greenstone , and ( v ) Porphyritic Granitoid plutons , The Gneissic Complex consists ... group is petrographically convenient , and at present they cannot be more precisely correlated with different cycles of ...
... Group , ( iv ) The Khasi Greenstone , and ( v ) Porphyritic Granitoid plutons , The Gneissic Complex consists ... group is petrographically convenient , and at present they cannot be more precisely correlated with different cycles of ...
Page
... Group imply that grade of metamorphism is no prima facie evidence of stratigraphic position . In order to identify the limits of the Shillong rocks two features of this group , viz . , rhythm of sedimentation and styles and trends of ...
... Group imply that grade of metamorphism is no prima facie evidence of stratigraphic position . In order to identify the limits of the Shillong rocks two features of this group , viz . , rhythm of sedimentation and styles and trends of ...
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Common terms and phrases
alignment amphibolite analysis Andhra Pradesh anomaly Asstt Attended bands basalt basin bed rock belt Bihar Bijawar biotite block boreholes Bundelkhand Calcutta carried Chakraborty charnockite collected conglomerate covering an area Deccan Trap depth dips Director district Division dolerite dykes exposed feldspar folds foliation Formation geochemical geological mapping Geologist Jr geophysical geotechnical Ghosh glacier gneiss Gneissic Complex Gondwana grade grained granite granite gneiss granitoid Gupta Headquarters Hydel Project Hyderabad indicated iron-formation Jaipur Kumar limestone line km located logging Lucknow magnetite mapped an area massif metamorphism mica microcline migmatites mineral mineralisation Nagpur nala NE-SW NW-SE pegmatites phyllites plagioclase plutons porphyritic power house quartz quartz veins quartzite regional river rock types S/shri samples sandstone scale schist sediments shale Sharma shear Shillong Shillong Group Shri Singh slide slope spillway sq km Srivastava strike length studies surface surveys thick tion tonnes toposheet trending tunnel upto zone