Records of the Geological Survey of India, Volume 125, Part 3The Survey, 1992 - Earthquakes Vols. 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 7
... activity are discern- ible in the area . The initial phase is represented by weakly foliated , medium to coarse grained , pink feldspar- rich granite which often contains clusters of tiny crysals of garne The next phase is denoted by ...
... activity are discern- ible in the area . The initial phase is represented by weakly foliated , medium to coarse grained , pink feldspar- rich granite which often contains clusters of tiny crysals of garne The next phase is denoted by ...
Page 81
... activity and a phase of syenitic magmatism have migmatised the rocks of the area to a great extent . The granite activity is expressed throughout the area while the syenitic activity is mainly restricted between Basukinath ( 24 ° 24 ...
... activity and a phase of syenitic magmatism have migmatised the rocks of the area to a great extent . The granite activity is expressed throughout the area while the syenitic activity is mainly restricted between Basukinath ( 24 ° 24 ...
Page 87
... activity , possibly in the late to post - Pleistocene time , gave rise to the giant Date 1959-60 and 1960-61 April'86 March'87 April'89 and March'90 State of activity volcanic cone which had formed the primordial Baren Island . This ...
... activity , possibly in the late to post - Pleistocene time , gave rise to the giant Date 1959-60 and 1960-61 April'86 March'87 April'89 and March'90 State of activity volcanic cone which had formed the primordial Baren Island . This ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Integrated geological and structural mapping geochemical survey and exploration | 15 |
Copyright | |
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Common terms and phrases
amphibolite arca Bankura basin belt Bihar BIHAR Code biotite block boreholes chalcopyrite charnockite chlorite chlorite schist chromite clay Construction stage geotechnical copper deposits depth Dhenkanal district Division II Ops dolerite drilling earth dam Eastern Ghat Economic Geology Engineering Geology Engineering Geology Division excavation field season foliation formation foundation grade garnetiferous geochemical geological mapping Geology Division-II Ops geophysical Geotechnical and Special gneiss gold granite granite gneiss granophyre granulite grouting holes hot spring Irrigation Project khondalite laterite lava left bank located mica schist migmatite mineral nala occur Orissa ORISSA Code OVERVIEW pegmatite Ph Ph Ph Ph/SS Ph/SS phase phyllite Pindara Purulia district quartz quartz veins quartzite Reservoir Scheme river samples sandstone scale schist sector sediments shear zone Sikkim SINGHBHUM DISTRICT slope soil Special Investigation spillway sq km stage geotechnical investigation strike length suggested sulphide Supergroup surface SURVEY OF INDIA syenite toposheet trending upto volcanics West Bengal