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 2
... clay . : Grey / greyish brown / dirty brown silty sand , sand , silt or clayey silt , pale yellowish grey silty clay / clayey silt with soft ferru- ginous concretions and rare , local kankar . In - set erosional unconformity : Grey ...
... clay . : Grey / greyish brown / dirty brown silty sand , sand , silt or clayey silt , pale yellowish grey silty clay / clayey silt with soft ferru- ginous concretions and rare , local kankar . In - set erosional unconformity : Grey ...
Page 16
... clay -- Unconformity - Laterite --- Unconformity -- Variegated to white clay with interbands of sand- stone , carbonaceous clay and lignite Sandstone , sand and clay / clayey sand --- Unconformity --- Basalt flows + SKETCH GEOLOGICAL ...
... clay -- Unconformity - Laterite --- Unconformity -- Variegated to white clay with interbands of sand- stone , carbonaceous clay and lignite Sandstone , sand and clay / clayey sand --- Unconformity --- Basalt flows + SKETCH GEOLOGICAL ...
Page 122
... clay and sandy clay . Maximum thickness of this Formation is about 20 m in which the top 10 m is lateritised . Thick- ness of individual beds is 1 to 2 m . The Formation shows horizontal bedding . The sand grains in the sandy clay are ...
... clay and sandy clay . Maximum thickness of this Formation is about 20 m in which the top 10 m is lateritised . Thick- ness of individual beds is 1 to 2 m . The Formation shows horizontal bedding . The sand grains in the sandy clay are ...
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