Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
From inside the book
Results 1-3 of 27
Page 86
... direction of such cracks and landslide surfaces fairly corresponds with the dominant direction of fracture lines in the Konkan area and the N.-S. stretch of the Koyna river . The landslides are of the nature of rockfall and debris fall ...
... direction of such cracks and landslide surfaces fairly corresponds with the dominant direction of fracture lines in the Konkan area and the N.-S. stretch of the Koyna river . The landslides are of the nature of rockfall and debris fall ...
Page 90
... direction and making an acute angle bisected by the largest stress direction , whereas tension joints or fissures will be oriented parallel to the largest stress direction . This would explain the relative positions and orientations of ...
... direction and making an acute angle bisected by the largest stress direction , whereas tension joints or fissures will be oriented parallel to the largest stress direction . This would explain the relative positions and orientations of ...
Page 100
... direction changes from the east to the north . This change from what is observed on the spot can be attributed to the presence of moraine ridges on the southern side of the valley . It is these ridges which have not only hindered the ...
... direction changes from the east to the north . This change from what is observed on the spot can be attributed to the presence of moraine ridges on the southern side of the valley . It is these ridges which have not only hindered the ...
Contents
CONTENTS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
Copyright | |
16 other sections not shown
Other editions - View all
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 deposition Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey Geologist glacier gneisses Gondwana grained granitic gray anorthosites graywacke hill hornblende indicate khondalites limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala Nicobar occur Orissa orthopyroxene oxides para-amphibolite Permian phenocrysts phosphate phosphorite pinnules plagioclase present pyroxene quartz quartzite rocks samples sandstone 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 volcanic younger ortho-amphibolite Zemu glacier zone