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 60
... grade . It certainly is a distinct contribution to the mineral resources of Bhutan . Limestone prospect at Uttare was systematically sampled . Notwithstanding the poor exposures , the chemical analysis indicates existence of good cement ...
... grade . It certainly is a distinct contribution to the mineral resources of Bhutan . Limestone prospect at Uttare was systematically sampled . Notwithstanding the poor exposures , the chemical analysis indicates existence of good cement ...
Page 69
... grade and reserve of cement grade limestone having low magnesia and high silica contents to be used as a sweetener for the Marung Ri limestone which is high in magnesia and low in silica contents . Based on these deposits , a major ...
... grade and reserve of cement grade limestone having low magnesia and high silica contents to be used as a sweetener for the Marung Ri limestone which is high in magnesia and low in silica contents . Based on these deposits , a major ...
Page 79
... grade metasedimentary 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 ...
... grade metasedimentary 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 ...
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