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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Results 1-3 of 17
Page 146
... drill hole were averaged . The average grade and width of zones thus obtained from all the drill holes were considered for estimating the tonnage and grade of the lode . Similarly in the second , third and fourth alternatives , the ...
... drill hole were averaged . The average grade and width of zones thus obtained from all the drill holes were considered for estimating the tonnage and grade of the lode . Similarly in the second , third and fourth alternatives , the ...
Page 156
... drill hole is an underestimate of the true mean grade of the deposit by 6.4 % . In the case of the sample data under ... drill holes , or in other words , with the reduction in the spacing of the drill holes ( Scott , 1958 ) . At the 55 ...
... drill hole is an underestimate of the true mean grade of the deposit by 6.4 % . In the case of the sample data under ... drill holes , or in other words , with the reduction in the spacing of the drill holes ( Scott , 1958 ) . At the 55 ...
Page 158
... drill holes in each level of intersection . The standard deviation of the deposit as a whole , computed by taking into considera- tion all the drill holes of the 4 levels of intersection , is 0.308 and the co - efficient of variation is ...
... drill holes in each level of intersection . The standard deviation of the deposit as a whole , computed by taking into considera- tion all the drill holes of the 4 levels of intersection , is 0.308 and the co - efficient of variation is ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 9 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
9 other sections not shown
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Common terms and phrases
amphibolite average grade axial plane B-folds bands basin beds Bhagwanpura Bhutan biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolerite dolomite dolomitisation drill holes dykes east facies fault felspar folds foliation formation Gangotri glacier Geol Geological Survey gneiss Gondwanas granite granulites grey Himalaya hornblende indicate interbedded Intertrappean isopach Jangpangi Jour Khairmalia Khardeola Kundarkocha lateral moraine limestone lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals nala Nimbahera occur outcrops overlies Pagladiya Panchet pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate Pradesh present pyroxene quartz quartz veins quartzite ratio reservoir river rock types sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Surv Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone