Records of the Geological Survey of India, Volume 120, Part 1Geological Survey of India, 1991 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 53
... veins , barite veins , epidote veins and having brecciated and silicified zones . A sequence of metasedimentary and metavolcanic rocks is discernible in the area . The rock formations comprise quartz - mica schist garnet with sheets and ...
... veins , barite veins , epidote veins and having brecciated and silicified zones . A sequence of metasedimentary and metavolcanic rocks is discernible in the area . The rock formations comprise quartz - mica schist garnet with sheets and ...
Page 147
... veins are seen all over the area . In the area south of Gidhaur extension of the Narbi Pahar ( 812 ) grune- rite quartzite band ( mapped during F.S. 1983-84 ) has been traced for about 4 km showing similar sulphide stains and presence ...
... veins are seen all over the area . In the area south of Gidhaur extension of the Narbi Pahar ( 812 ) grune- rite quartzite band ( mapped during F.S. 1983-84 ) has been traced for about 4 km showing similar sulphide stains and presence ...
Page 206
... veins and basic and ampbi- bolite dykes . ii ) The Precambrian Shillong Group of rocks compris- ing of quartzite and phyllite traversed by quartz veins . iii ) The tertiary shelf sediments comprising of hard quartzitic sandstone ...
... veins and basic and ampbi- bolite dykes . ii ) The Precambrian Shillong Group of rocks compris- ing of quartzite and phyllite traversed by quartz veins . iii ) The tertiary shelf sediments comprising of hard quartzitic sandstone ...
Contents
CENTRAL HEADQUARTERS | 3 |
GEOPHYSICAL DIVISION | 16 |
MINERAL PHYSICS DIVISION | 22 |
Copyright | |
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Common terms and phrases
airborne alignment amphibolite analysis anomalies associated Background Information bands basalt basemetal basin Bihar biotite block borehole Calcutta carried out geotechnical chalcopyrite clay coal seams coalfield Code comprising copper core samples covering an area Deccan Deccan Trap deposits depth range Director DISTRICT drill cores dykes evaluation exploration exposed fault flows Formation geological mapping GEOLOGY DIVISION geophysical geotechnical investigation gneiss Gondwana grained granite gneiss gravity Group Headquarters Hydel indicated Karnataka Laboratory landsat Lats limestone located logging Madhya Pradesh magnetic Meghalaya million tonnes mineral mineralisation occur ophiolite Orissa pegmatite phyllite power house programme Project proposed quartz quartzite Rajasthan Raniganj REGIONAL GEOLOGY river rock types samples were collected sand sandstone scale schist sector sediments shale shear zone Shri spillway sq km sq km area strike length structural studies sulphide surface surveys thickness tion toposheet traverse trending tunnel upto varying West Bengal