Records of the Geological Survey of India, Volume 106Geological Survey of India, 1971 - 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 65
... suggest beyond doubt , that the conditions were favourable for the growth of life and much of the silica and phosphorous required for the formation of chert - phosphate sequence could have been derived by the decay of the phytoplank ...
... suggest beyond doubt , that the conditions were favourable for the growth of life and much of the silica and phosphorous required for the formation of chert - phosphate sequence could have been derived by the decay of the phytoplank ...
Page 66
... suggest , that the depositional basin was bordered by tectonically stable , low- land area with mature topography ... suggests a reducing environ- ment with negative Eh possibly due to restricted circulation . The alkalinity presumably ...
... suggest , that the depositional basin was bordered by tectonically stable , low- land area with mature topography ... suggests a reducing environ- ment with negative Eh possibly due to restricted circulation . The alkalinity presumably ...
Page 105
... suggest that both the minerals crystallised simultaneously . Some of the plagioclase felspars ( mostly phenocrysts ) ... suggesting their origin after pyro- xenes . The stout prisms exhibit regeneration into acicular amphiboles and also ...
... suggest that both the minerals crystallised simultaneously . Some of the plagioclase felspars ( mostly phenocrysts ) ... suggesting their origin after pyro- xenes . The stout prisms exhibit regeneration into acicular amphiboles and also ...
Contents
Geology of the area around the Panchet dam reservoir district | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Stratigraphic analysis of the Chert Member Lower Tal Forma | 54 |
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Common terms and phrases
amphibolite average grade axial plane B₁-folds bands 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 flow-unit folds formation fossil Gangotri glacier Geol Geological Survey gneiss Gondwanas granite grey Himalaya hornblende indicate interbedded Intertrappean isopach Jangpangi Khairmalia Khardeola Kundarkocha lateral moraine limestone lineation lithological lode Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals Mussoorie nala Nimbahera occur outcrops overlies Pagladiya pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate plunge Pradesh present pyroxene quartz veins quartzite ratio reservoir river rock types S₁ sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shales snout stratigraphic structures Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone