Records of the Geological Survey of India, Volume 126, Issues 5-6Vols. 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. |
From inside the book
Results 1-3 of 89
Page 197
... suggested to be removed as it is isolated from the parent rock . It was also suggested to remove the surround- ing weathered material to a maximum possible depth , not less than double the width of the weathered zone . The weathered ...
... suggested to be removed as it is isolated from the parent rock . It was also suggested to remove the surround- ing weathered material to a maximum possible depth , not less than double the width of the weathered zone . The weathered ...
Page 198
... suggested to be excavated to the possible extent and backfilled with concrete . It was further suggested to provide anchor rods normal to the low - dipping joint faces , before construction . In general , the foundation rock , at the ...
... suggested to be excavated to the possible extent and backfilled with concrete . It was further suggested to provide anchor rods normal to the low - dipping joint faces , before construction . In general , the foundation rock , at the ...
Page 221
... suggested . The approach cuts to the tunnels made through massive granite gneiss and charno- ckite , appear to be generally stable . However , in cuts made through blocky to jointed rocks , blocks of rock separating from the parent mass ...
... suggested . The approach cuts to the tunnels made through massive granite gneiss and charno- ckite , appear to be generally stable . However , in cuts made through blocky to jointed rocks , blocks of rock separating from the parent mass ...
Other editions - View all
Common terms and phrases
acid amphibolite ANDHRA PRADESH anomaly zones axis bands basalt basin biotite biotite gneiss block boreholes charnockite complex Deccan Trap deformation depth DISTRICT dolerite drilling enclaves ENE-WSW exposed feldspar field season flows folds foliation Formation gabbro geochemical GEOLOGICAL MAP Geology Division Geophysical GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold grained granite granite gneiss granitoids granulite grey Group hornblende INDEX indicated intrusives joints KARNATAKA kimberlite laterite lava lineament located mafic magnetite MAHARASHTRA metabasalt migmatite mineral mineralised zone Nagpur Narmada NE-SW NNW-SSE NW-SE occur pahoehoe pegmatite pink granite plagioclase porphyritic pyrite pyroxene granulite pyroxenite quartz quartz veins quartzite Quaternary regional reservoir rhyolite river rock types Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone soil spillway sq km strike length structures studies sulphide surveys syenite TAMIL NADU thick toposheet traversed trench trending tunnel ultramafic upto valley volcanics width