Records of the Geological Survey of India, Volume 125, Issues 3-4Vols. 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 74
... Complex . The Complex consists of migmatitic gneisses with enclaves of high grade basic granulites , calc - silicates and metabasic rocks . Two phases of basic igneous activity , represented by an early phase of meta - gabbro ...
... Complex . The Complex consists of migmatitic gneisses with enclaves of high grade basic granulites , calc - silicates and metabasic rocks . Two phases of basic igneous activity , represented by an early phase of meta - gabbro ...
Page 81
... COMPLEX ( Code No SGM / 7211 , K , L , P ; 73E / ER / BHR - WB / 90 / 3 ) J. N. Roy and K. Mukhopadhyay Regional ... Complex and fixing their places in the evolutionary history of the Complex . As a part of this programme an area of 300 ...
... COMPLEX ( Code No SGM / 7211 , K , L , P ; 73E / ER / BHR - WB / 90 / 3 ) J. N. Roy and K. Mukhopadhyay Regional ... Complex and fixing their places in the evolutionary history of the Complex . As a part of this programme an area of 300 ...
Page 27
... Complex Complex are : serpentinite , pyroxenite , ijolite , uncompahgrite , syenite , carbonatite , and apatite - magnetite rock , whereas in Mawpyut area , these are pyroxenite , gabbro , anorthosite , norite , serpentinite and ...
... Complex Complex are : serpentinite , pyroxenite , ijolite , uncompahgrite , syenite , carbonatite , and apatite - magnetite rock , whereas in Mawpyut area , these are pyroxenite , gabbro , anorthosite , norite , serpentinite and ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
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ABSTRACTS OF PROGRESS abutment amphibolite anomaly Arunachal Pradesh bands Barail basalt basemetal basin Bhuban Bihar biotite block bore holes borehole chalcopyrite charnockite chlorite chromite clay CONSTRUCTION STAGE GEOTECHNICAL deposits depth Disang drilling Eastern Ghat Engineering Geology Engineering Geology Division excavation exposed EXTENDED ABSTRACTS field season fold foliation Formation foundation grade geochemical geological mapping geophysical Geotechnical and Special geotechnical investigation gneiss Gneissic granite gneiss granulite grey Group grouting Hills district indicate joints lava left bank limestone located magnetite Manipur Meghalaya migmatite mineral mineralisation Mizoram nala occur Orissa OVERVIEW Ph/SS phyllite power house proposed Purulia pyrite quartz quartz veins quartzite Quaternary Regional Geology Division right bank rocks samples sandstone scale schist sediments shale shear zone Shillong siltstone slope Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide Survey of India Tertiary thick toposheet trending tunnel Upper upto volcanics West Bengal