Records of the Geological Survey of India, Volume 128, Part 2The Survey, 1995 - 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 16
... gneiss shows medium grey tone medium texture , dendritic drainage pattern with medium density , moderate vegetation cover and often banded structure with long linears . Alternate biotite and quartzo - feldspathic layers render a gneissic ...
... gneiss shows medium grey tone medium texture , dendritic drainage pattern with medium density , moderate vegetation cover and often banded structure with long linears . Alternate biotite and quartzo - feldspathic layers render a gneissic ...
Page 18
... gneiss ( Bomdila gneiss ) and adjoining low grade metapelites of overlying Dirang schist are lithologi- cally incompatible to be grouped together as Bomdila Group . Moreover , the contact between these two units appears to be tectonic ...
... gneiss ( Bomdila gneiss ) and adjoining low grade metapelites of overlying Dirang schist are lithologi- cally incompatible to be grouped together as Bomdila Group . Moreover , the contact between these two units appears to be tectonic ...
Page 94
... gneiss , biotite gneiss , and hornblende gneiss with quartz mica schist , amphibolite or calc granulite and tremolite actinolite schist occurring as enclaves within the granite gneissic complex . These are inturn intruded by dolerite ...
... gneiss , biotite gneiss , and hornblende gneiss with quartz mica schist , amphibolite or calc granulite and tremolite actinolite schist occurring as enclaves within the granite gneissic complex . These are inturn intruded by dolerite ...
Contents
CENTRAL HEADQUARTERS 150 | 1 |
ANTARCTICA DIVISION 5159 | 51 |
BHUTAN UNIT 6089 | 60 |
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aeromagnetic aeromagnetic survey amphibolite AMSE Wing analysis anomalies assemblage Barakar Barakar Formation Barren Measures basin bathymetric Bengal Bhutan BIHAR biotite block boreholes carbonaceous carried clay COAL WING COALFIELD coarse coast Code core covered cruise depth range DISTRICT Division dolomite drilling east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP geophysical gneiss gold Gondwana grade grained granite gravity grey ground evaluation heavy minerals India indicated intersected intrusives investigation isobaths Kamthi Formation Lakshadweep lignite linear located MADHYA PRADESH magnetic metamorphic migmatites mineralisation multisensor northern NW-SE occur OVERVIEW phyllite programme quartz quartzite Raniganj Raniganj Formation REGIONAL EXPLORATION ridge rocks samples sand sandstone scale schist schist belt seabed seam zones sector sediments sequence SHAHDOL DISTRICT shale shallow shear slope Sohagpur sq km strike length structural studies surface surveys Talchir thickness Thimphu toposheet trending ultramafic upto varies volcanics water depths