Records of the Geological Survey of India, Volume 109Geological Survey of India, 1977 - 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 20
... stage ) , systematic pitting and trenching at regular interval ( 40-50 m ) across the trend of the deposits , over such potential area are carried out for the assessment of average grade and thickness since the closed space pit & trench ...
... stage ) , systematic pitting and trenching at regular interval ( 40-50 m ) across the trend of the deposits , over such potential area are carried out for the assessment of average grade and thickness since the closed space pit & trench ...
Page 21
... STAGE III Drilling The drilling at this stage is taken up only when ecouraging results , as related to grade and thickness of the deposits / orebody were obtained in Stage I & II from test drilling , pits , trench and surface data and ...
... STAGE III Drilling The drilling at this stage is taken up only when ecouraging results , as related to grade and thickness of the deposits / orebody were obtained in Stage I & II from test drilling , pits , trench and surface data and ...
Page 29
... stages , involved in the collection of samples by different methods , precautionary measure against dilution need be undertaken at each stage for proper represen- tations . out . It the Stage I & II , mostly ( a ) trench sampling by ...
... stages , involved in the collection of samples by different methods , precautionary measure against dilution need be undertaken at each stage for proper represen- tations . out . It the Stage I & II , mostly ( a ) trench sampling by ...
Contents
PART | 1 |
An approach to Quaternary research with examples from Hungary | 11 |
Outline of methods of detailed exploration of bedded limestone | 14 |
6 other sections not shown
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Common terms and phrases
algal amphibolite Andhra Pradesh assemblage axial plane B₁ bands Baraganda basin beds Bihar bindrabunensis borehole Bose calc-magnesian rocks Callialasporites carbonatite chlorite clays Collenia column columnar contour core Cretaceous deformation Deoban formation deposit depth developed diamonds diopside district dolomite drilling facies flora folds fossils genus Geol Geological Survey Geologist Gondwana grade grains granite grey Hazaribagh horizon indicate interbedded Intertrappean Jour Jurassic Kemari kimberlites known Kotar laminae Lattavaram limestone Limestone member lineation lithologic Lower Madhya Pradesh Magardha Mahayuga mapping metamorphism mineralisation minerals Nagod Nagod Limestone observed occur Palaeobotanist pelitic Plate plunge pollen present pyrites quartz quartz-mica-schist quartzite Quaternary Rajmahal hills rajmahalensis river sahnii samples sandstone Sanskrit schist schistosity sediments sequence shale shear Siddhanta siliceous slate species spores stratigraphic stromatolites structures Subarea Survey of India Suryasiddhanta talc Tamil Nadu thickness tremolite ultramafic Unpublished GSI report Varahamihira Wajrakarur water level zones