Records of the Geological Survey of India, Volume 109Geological Survey of India, 1977 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 169
... mineralisation was known to occur in the area from ancient time ( Mc- Clelland , 1850 ) . Later , between 1882 and 1891 , the deposit was worked by under- ground developments , comprising five shafts and six levels upto a depth of about ...
... mineralisation was known to occur in the area from ancient time ( Mc- Clelland , 1850 ) . Later , between 1882 and 1891 , the deposit was worked by under- ground developments , comprising five shafts and six levels upto a depth of about ...
Page 193
... Mineralisation As already pointed out , the copper - lead - zinc mineralisation in the Baraganda- Dondlo belt is found to be associated with the metamorphosed calc - magnesian rocks , occurring as en echelon bands and lenses with a ...
... Mineralisation As already pointed out , the copper - lead - zinc mineralisation in the Baraganda- Dondlo belt is found to be associated with the metamorphosed calc - magnesian rocks , occurring as en echelon bands and lenses with a ...
Page 198
... mineralisation is , thus , of metamorphic parentage . ( ii ) The impure dolomites are the source of ore minerals . During the transformation of these rocks to the calc - magnesian silicate rocks , they released the disseminated metal ...
... mineralisation is , thus , of metamorphic parentage . ( ii ) The impure dolomites are the source of ore minerals . During the transformation of these rocks to the calc - magnesian silicate rocks , they released the disseminated metal ...
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 breccia calc-magnesian rocks Callialasporites carbonatite chlorite clays Collenia column columnar contour core Cretaceous deformation deposit depth diamonds diopside district dolomite drilling Eocene facies flora folds fossils genus Geol Geological Survey Geologist Gondwana grade grains granite grey Hazaribagh horizon indicate interbedded Intertrappean Jour Jurassic kimberlites known laminae Lattavaram limestone lineation lithologic Lower Madhya Pradesh Magardha Mahayuga mapping mesoscopic metamorphism mineralisation minerals Nagod observed occur Oncolite Palaeobotanist parallel pelitic Plate plunge pollen potential area 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 talc Tamil Nadu thickness thinly tremolite ultramafic Unpublished GSI report Varahamihira Wajrakarur water level zones