Records of the Geological Survey of India, Volume 106Geological Survey of India, 1975 - 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 142
... deposits , the low grade ones receiving more and more attention . To ensure a safe margin of profit in mining the low grade deposits , the estimates of ore reserve and more particularly grade of a deposit are required to be accurate and ...
... deposits , the low grade ones receiving more and more attention . To ensure a safe margin of profit in mining the low grade deposits , the estimates of ore reserve and more particularly grade of a deposit are required to be accurate and ...
Page 143
... deposit , are considered fairly dependable . These methods , however , fail to provide information on certain important aspects of estimation of ore reserves and grades . There is no means to express whether the areas of influence of ...
... deposit , are considered fairly dependable . These methods , however , fail to provide information on certain important aspects of estimation of ore reserves and grades . There is no means to express whether the areas of influence of ...
Page 144
... deposit by utilizing the drill hole sample data drawn from Lode No 6 of Rakha Mines copper deposit , Singhbhum district , Bihar . The estimates of reserves and grade made by constructing area of influence around each drill hole and by ...
... deposit by utilizing the drill hole sample data drawn from Lode No 6 of Rakha Mines copper deposit , Singhbhum district , Bihar . The estimates of reserves and grade made by constructing area of influence around each drill hole and by ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Copyright | |
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Common terms and phrases
amphibolite average grade axial plane B-folds bands basic basin beds Bhagwanpura Bhutan Binota Shale biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolomite dolomitisation drill holes east facies fault felspar folds formation fossil Gangotri glacier Geol Geological Survey gneiss Gondwanas granite granulites grey hornblende indicate interbedded Intertrappean isopach Jangpangi Jour Khairmalia Khardeola Kundarkocha lateral moraine limestone lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres microcline Milam Milam glacier mineralisation minerals nala occur outcrops overlies Pagladiya Panchet pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate present pyroxene quartz quartz veins quartzite ratio reservoir retreat river rock types Sala sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone