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 18
... sequence is arranged as per order of disposition from southeast to northwest . The proposed lithotectonic revision is based on the fol- lowing observations : 1. Biotite augen gneiss ( Bomdila gneiss ) and adjoining low grade metapelites ...
... sequence is arranged as per order of disposition from southeast to northwest . The proposed lithotectonic revision is based on the fol- lowing observations : 1. Biotite augen gneiss ( Bomdila gneiss ) and adjoining low grade metapelites ...
Page 52
... sequence is given below : - Unit D Basic dykes and sills and late felsic veins and pegmatite . Unit C Porphyritic biotite - granite and associated fer- rodiorite and felsic veins intruding the country gneisses . Unit B Orthogneisses ...
... sequence is given below : - Unit D Basic dykes and sills and late felsic veins and pegmatite . Unit C Porphyritic biotite - granite and associated fer- rodiorite and felsic veins intruding the country gneisses . Unit B Orthogneisses ...
Page 79
... sequence of the Chekha Formation and overlaying undifferen- tiated Tethyan sequence . The Thimphu Formation , represented by a migmatitic com- plex , forms the lower most litho - package of this area . This complex is constituted mainly ...
... sequence of the Chekha Formation and overlaying undifferen- tiated Tethyan sequence . The Thimphu Formation , represented by a migmatitic com- plex , forms the lower most litho - package of this area . This complex is constituted mainly ...
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