Records of the Geological Survey of India, Volume 142, Part 2The Survey, 2009 - 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
... minerals are mainly schorl to elbaite which are present in variable proportions in the pegmatites of the area . In some pegmatitic rocks , niobian rutile has been identified as discrete opaque phase in petrographic and EPMA studies and ...
... minerals are mainly schorl to elbaite which are present in variable proportions in the pegmatites of the area . In some pegmatitic rocks , niobian rutile has been identified as discrete opaque phase in petrographic and EPMA studies and ...
Page 77
... minerals for kimberlite / lamproite bodies . Of these blocks , three occur over the transition zone between the Iron Ore Super Group in the south and the Gangpur Group in the north , whereas the remaining block occurs over the Gangpur ...
... minerals for kimberlite / lamproite bodies . Of these blocks , three occur over the transition zone between the Iron Ore Super Group in the south and the Gangpur Group in the north , whereas the remaining block occurs over the Gangpur ...
Page 155
... mineral content decreases down the core depth . The dominant heavy minerals are ilmenite , sillimanite and garnet . Zircon , monazite and rutile occur as miner minerals . The prevailing current directions varied from SSW to WSW with the ...
... mineral content decreases down the core depth . The dominant heavy minerals are ilmenite , sillimanite and garnet . Zircon , monazite and rutile occur as miner minerals . The prevailing current directions varied from SSW to WSW with the ...
Contents
प्राक्कथन | 1 |
PALAEONTOLOGY DIVISIONI | 20 |
GEODATA AND DATABASE DIVISION | 31 |
Copyright | |
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alteration zones AMSE Wing Andhra Pradesh anomaly aquifer arsenic Barakar Barakar coal seams Barakar Formation Barren Measures Basin bathymetric Birbhum Block boreholes boreholes located carried Chhattisgarh chondrules clayey silt Coal Wing coarse coast Code collected cruise delineate deposits depth range District drilling east eastern exploration for coal fault field season Geological map geophysical logging geotechnical gneiss Gondwana grained granite gneiss granitoids gravity cores grey ground evaluation groundwater Himalaya intersected investigation Jharkhand Kerala lagoon lakes lignite lineaments Madhya Pradesh mineralisation NE-SW NW-SE Orissa pegmatite presence quartz quartzite radiometric Rajasthan Rajmahal Raniganj regional Barakar coal Regional exploration remote sensing rocks sand sandstone scale schist seabed seam zones Sector sediments seismic shallow shear sq km stream sediment studies sulphide survey Talcher Talcher Coalfield Tamil Nadu Territorial Waters Toposheet transects trending VALLEY COALFIELD varies water depths water samples West Bengal के तथा में