Records of the Geological Survey of India, Volume 105, Part 2Geological Survey of India, 1973 - 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 88
... shear joints indicating that the shear joints are younger in origin . Each sheared fracture , marked in the map , occupies a narrow zone with very closely spaced joint planes usually a centimetre or even less apart . These joints are ...
... shear joints indicating that the shear joints are younger in origin . Each sheared fracture , marked in the map , occupies a narrow zone with very closely spaced joint planes usually a centimetre or even less apart . These joints are ...
Page 89
... shear fractures surrounding them represent a major zone of crustal weakness and instability . The shear fractures are most concentrated in a north - south zone limited to the east by the Koyna river and extending almost upto the coast ...
... shear fractures surrounding them represent a major zone of crustal weakness and instability . The shear fractures are most concentrated in a north - south zone limited to the east by the Koyna river and extending almost upto the coast ...
Page 148
... sheared , folded and crumpled . The quartz veins intruded into the schists are seen to take the shape of the minor ... shear fractures are found mostly parallel to axes of the b1 folds . Preliminary Appraisal of the Deposit 1 Certain ...
... sheared , folded and crumpled . The quartz veins intruded into the schists are seen to take the shape of the minor ... shear fractures are found mostly parallel to axes of the b1 folds . Preliminary Appraisal of the Deposit 1 Certain ...
Contents
RECORDS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
Copyright | |
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Common terms and phrases
80 mesh amphibolites analysed Andaman island anorthosites apatite bands Baraganda Baratang Baratang island basaltic basin beds Bihar biotite Bramlette and Riedel calc-granulite calcareous calcite carbonate Carboniferous charnockites chemical clay coal coalfield coalseams conglomerate copper Deflandre deposit Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey glacier gneisses Gondwana grains granitic gray graywacke hill INDIA Records indicate khondalites Krol limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala occur Orissa orthopyroxene oxides para-amphibolite Permian phosphate phosphorite pinnules plagioclase Plate present pyroxene quartz quartzite rocks samples sandstone schist sedimentary sediments shales shear shows siltstone snout South Andaman Stradner strike length Surv Survey of India thickness Thinnfeldia tion tonnes trace element ultrabasic upto valley varies veins younger ortho-amphibolite Zemu glacier zone