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 63
Page 197
... weathered material to a maximum possible depth , not less than double the width of the weathered zone . The weathered wall surfaces were suggested to be chipped off to expose fresh rock . Another E - W trending weathered zone with a dip ...
... weathered material to a maximum possible depth , not less than double the width of the weathered zone . The weathered wall surfaces were suggested to be chipped off to expose fresh rock . Another E - W trending weathered zone with a dip ...
Page 199
... weathered rock is exposed in the foundation pits below RL 54.785 m and 55.7 m respectively . Thus , the excavation went through 3.3 m thick weathered rock . The rock met with at the bottom of the pits is farily hard , weathered biotite ...
... weathered rock is exposed in the foundation pits below RL 54.785 m and 55.7 m respectively . Thus , the excavation went through 3.3 m thick weathered rock . The rock met with at the bottom of the pits is farily hard , weathered biotite ...
Page 219
... weathered metagreywacke upto a depth of 10.25 to 11.67 m , below which hard , fresh metagreywacke was intersected ( Plate - IA ) . The borehole 3 , in the stream course , indicated that moderately weathered metagreywacke , exposed along ...
... weathered metagreywacke upto a depth of 10.25 to 11.67 m , below which hard , fresh metagreywacke was intersected ( Plate - IA ) . The borehole 3 , in the stream course , indicated that moderately weathered metagreywacke , exposed along ...
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