Records of the Geological Survey of India, Volume 126, Part 2Government of India, 1991 - 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 25
... associated syenitic gneisses exhibit subidioblastic K- felspar grains with plagioclase , garnet , amphibole and quartz mineral assemblage . The appearance of garnet and production of K - felspar rich syenitic rock may have been produced ...
... associated syenitic gneisses exhibit subidioblastic K- felspar grains with plagioclase , garnet , amphibole and quartz mineral assemblage . The appearance of garnet and production of K - felspar rich syenitic rock may have been produced ...
Page 115
... associated with basic dykes and other magnetite rich rocks whereas the magnetic lows are associated with magnetite poor rocks like granitic gneisses and migmatites . The magnetic linear features appear to indicate fault zones within the ...
... associated with basic dykes and other magnetite rich rocks whereas the magnetic lows are associated with magnetite poor rocks like granitic gneisses and migmatites . The magnetic linear features appear to indicate fault zones within the ...
Page 153
... associated with pyrite . Extensive alteration to malachite and azurite is seen in thin chert bands of the metasediments . In Jungels , copper mineralisation is recorded as malachite stains associated with quartz - baryte lense occurring ...
... associated with pyrite . Extensive alteration to malachite and azurite is seen in thin chert bands of the metasediments . In Jungels , copper mineralisation is recorded as malachite stains associated with quartz - baryte lense occurring ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 121 |
Geodata and Information Division | 141 |
Overview of the Deputy Director General | 195 |
17 other sections not shown
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Common terms and phrases
aeromagnetic amphibolite analysis ANDHRA PRADESH anomalies bands Barakar Formation Barren Measures Formation basement basin belt Bengal Bihar Birbhum block boreholes calcareous carbonaceous carbonaceous shale clayey coal bearing coal seams COAL WING coarse grained Code cores covered cruise deposition DISTRICT drilled east EXPLORATION FOR COAL fault field season foraminifera geochemical GEOLOGICAL MAP geophysical gneiss Godavari Valley Gondwana grade grained sandstone granite heavy mineral INDEX intersected investigation isobath Kamthi Formation Lakshadweep lignite lime mud limestone located lower MADHYA PRADESH magnetic medium grained METAMORPHICS million tonnes mineralisation NW-SE occur ooids Orissa phyllite PLATE PLATE-I potentiality Precambrian quartz quartzite Rajmahal Raniganj Raniganj Formation Regional exploration ridge rocks Sakoli samples sand sandstone scale schist seam zones sector sediments sequence SHAHDOL DISTRICT shale shelf siltstone slope Sohagpur sq km strike studies sub-surface Survey of India Talchir Formation Toposheet trending upto VALLEY COALFIELD water depth