Records of the Geological Survey of India, Volume 125, Parts 3-5Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 88
... seen . Broad warps are seen in the northern and eastern parts of the area . One set of prominent N - S trending vertical joints is seen almost throughout the granite massif . Another set of closely spaced horizontal sheet joints is seen ...
... seen . Broad warps are seen in the northern and eastern parts of the area . One set of prominent N - S trending vertical joints is seen almost throughout the granite massif . Another set of closely spaced horizontal sheet joints is seen ...
Page 100
... seen as small ( 5-30 cm ) veins within the medium to coarse intermediate charnockites . Streaks and veins of quartz are seen within the charnockites . Medium to coarse- grained charnockite , at places , has large porphy- roblasts of ...
... seen as small ( 5-30 cm ) veins within the medium to coarse intermediate charnockites . Streaks and veins of quartz are seen within the charnockites . Medium to coarse- grained charnockite , at places , has large porphy- roblasts of ...
Page 101
... seen that the northern extension of the syenite near .437 m hill is delimited by a WNW- ENE trending dolerite dyke . The syenite comprises white potash feldspar and plagioclase as predominent minerals . Pink potash feldspar is also seen ...
... seen that the northern extension of the syenite near .437 m hill is delimited by a WNW- ENE trending dolerite dyke . The syenite comprises white potash feldspar and plagioclase as predominent minerals . Pink potash feldspar is also seen ...
Contents
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
FIELD SEASON 199091 | 91 |
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alignment amphibolite ANDHRA PRADESH anomaly bands basemetal basin Bihar biotite block boreholes charnockite chromite clay comprises CONSTRUCTION STAGE GEOTECHNICAL deposits depth DISTRICT dolerite drilled dykes earth dam east eastern Engineering Geology Engineering Geology Division excavation exposed field season folds foliation Formation geochemical GEOLOGICAL MAP geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoid granulite grey Group grouting hill holes hornblende indicated irrigation joints KARNATAKA khondalite kimberlite laterite limestone located magnetite Meghalaya migmatite mineral mineralised zone nala occur Orissa pegmatite phyllite pink granite plagioclase power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary Regional Geology reservoir river rock types samples sandstone scale schist schist belt schistose sediments shale shear zone Shillong Singhbhum slope soil Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide surveys syenite thick traverses trending tunnel upto volcanics West Bengal