Records of the Geological Survey of India, Volume 122, Part 6The Survey, 1987 - 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 124
... excavation in thinly laminated grades - II and III tuffaceous shale and cherty shale of porcellanite of Semri group ... excavated material . The mode of failure is planar in the direction of the day lighted bedding plane . ( b ) The ...
... excavation in thinly laminated grades - II and III tuffaceous shale and cherty shale of porcellanite of Semri group ... excavated material . The mode of failure is planar in the direction of the day lighted bedding plane . ( b ) The ...
Page 145
... excavated section of the surge shaft , two flows of Deccan basalt separated by a 30 cm thick red bole bed ( RL 659.90-660.20 m ) are met with . Still 39.20 m excavation is to be carried out to reach the bottom level , RL 612.80 m ...
... excavated section of the surge shaft , two flows of Deccan basalt separated by a 30 cm thick red bole bed ( RL 659.90-660.20 m ) are met with . Still 39.20 m excavation is to be carried out to reach the bottom level , RL 612.80 m ...
Page 155
... excavation will be through overburden , weathered and fresh dense basalt down to KRL 607 m ( 28 m depth ) and is not ... excavated section of the approach tunnel , tuffaceous zone is seen along the crown level . In view of this weak zone ...
... excavation will be through overburden , weathered and fresh dense basalt down to KRL 607 m ( 28 m depth ) and is not ... excavated section of the approach tunnel , tuffaceous zone is seen along the crown level . In view of this weak zone ...
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Common terms and phrases
Aa flow alignment alluvium anomaly zone Archaean basalt flows bed rock Bijawar block borehole calcareous chert Chhattisgarh clay compound pahoehoe conglomerate cores Dark grey Deccan basalt Deccan Trap deposits depth dips DISTRICT dolomite drill holes ENE-WSW Engineering Geology Engineering Geology Division excavation exposed fault Formation fractured fragmentary top fresh basalt geochemical Geologist Jr geophysical GEOTECHNICAL INVESTIGATIONS gneiss Gondwana gradient Group highly porphyritic Impersistent indicated intrusives Jabalpur joints Lameta laterite lava limestone located MADHYA PRADESH MADHYA PRADESH Code MAHARASHTRA MAHARASHTRA Code masonry medium grained mineralisation moderately porphyritic Nagpur Narmada NW-SE occur pahoehoe pahoehoe flow pegmatite porphyritic proposed Proterozoic quartz veins quartzite Quaternary Raipur RAIPUR DISTRICT red bole Regional Geology Division reservoir samples sandstone Satpura scale schist sediments sequence shale shear zone sparsely porphyritic spillway sq km sq km area stromatolitic studies subsurface exploration Supergroup thick toposheet traversed trending tunnel Unconformity upper upto vesicular Vindhyan के