Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1989 - 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 168
... mineralisation constitutes the southeastern extremity of the Ran Mangli - Tas - Bhiwapur - Pahungaon unit . Exploratory drilling tested a zone of old workings and mineralised quartz veins with associated geochemical anomalies . A total ...
... mineralisation constitutes the southeastern extremity of the Ran Mangli - Tas - Bhiwapur - Pahungaon unit . Exploratory drilling tested a zone of old workings and mineralised quartz veins with associated geochemical anomalies . A total ...
Page 189
... mineralisation could be identified . However , 10 samples of magnetite have been analysed and the zinc value varies between 30 ppm to 720 ppm . The area forms a part of the often quoted Hesathu - Belbathan Belt of Bihar Mica field which ...
... mineralisation could be identified . However , 10 samples of magnetite have been analysed and the zinc value varies between 30 ppm to 720 ppm . The area forms a part of the often quoted Hesathu - Belbathan Belt of Bihar Mica field which ...
Page 199
... Mineralisation was found to be unpredictable . Higher values of 1.04 , 1.02 , 1.08 , 1.60 , 2.00 and 3.00 % noticed in the assay do not form any recognisable pattern , hence of no impor- tance for further evaluation . After discarding ...
... Mineralisation was found to be unpredictable . Higher values of 1.04 , 1.02 , 1.08 , 1.60 , 2.00 and 3.00 % noticed in the assay do not form any recognisable pattern , hence of no impor- tance for further evaluation . After discarding ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
Copyright | |
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Common terms and phrases
aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Barakar Formation basement basin Bhutan BIHAR block boreholes carbonaceous chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP Ghosh gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament located MADHYA PRADESH magnetic magnetite medium metamorphism million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km stratigraphic strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone