Records of the Geological Survey of India, Volume 126, Parts 2-3The Survey, 1993 - 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 , bornite , 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 , bornite , 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 |
Copyright | |
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amphibolite anomaly apatite bands BANKA DISTRICT Barakar Barakar Formation Barren Measures basemetal basin belt Bihar BIHAR Code biotite block boreholes carbonaceous chalcopyrite chlorite clay coal seams Coalfield Construction stage geotechnical copper cores covered delineated deposits depth DISTRICT drilling east eastern Engineering Geology fault field season folds foliation geochemical GEOLOGICAL MAP geophysical Geotechnical & Special geotechnical investigation Ghosh gneiss gold Gondwana grade granite gneiss grey Group heavy mineral INDEX indicated intersected Irrigation Project Kamthi laterite lithounits located magnetic metamorphism mica schist mineralisation occur Orissa OVERVIEW pegmatite phyllite PRADESH Purulia quartz quartz veins quartzite Quaternary Raniganj Regional exploration Regional Geology Division river rocks samples sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zone slope spillway sq km stage geotechnical investigation strike length sulphide surface Talchir Formation thickness Toposheet trending ultramafic unconformably upto varies volcanics West Bengal