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 145
... copper - lead - zinc mineralisation , though in sparse disseminatons , is reflected as linear aero - Mag and aero - EM anomaly zones . Despite the widespread surface indications and sporadic high metal values , drilling carried out so ...
... copper - lead - zinc mineralisation , though in sparse disseminatons , is reflected as linear aero - Mag and aero - EM anomaly zones . Despite the widespread surface indications and sporadic high metal values , drilling carried out so ...
Page 147
... copper mineralisation manifested by profuse malachite encrustations in the gossanised rock with remnants of chal- copyrite , bomnite , convellite , chalcocite , pyrite and pyrrhotite is generally confined to two zones in the metabasalts ...
... copper mineralisation manifested by profuse malachite encrustations in the gossanised rock with remnants of chal- copyrite , bomnite , convellite , chalcocite , pyrite and pyrrhotite is generally confined to two zones in the metabasalts ...
Page 188
... copper values upto 600 ppm . A couple of traverses in gneissic terrain NNW of Salumber indicated the presence of possible auriferous zones in silicified amphibolite ( enclaves ) in B.G.C. where gold content is recorded upto 0.5 ppm . At ...
... copper values upto 600 ppm . A couple of traverses in gneissic terrain NNW of Salumber indicated the presence of possible auriferous zones in silicified amphibolite ( enclaves ) in B.G.C. where gold content is recorded upto 0.5 ppm . At ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 121 |
Geodata and Information Division | 141 |
Overview of the Deputy Director General | 195 |
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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