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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Results 1-3 of 86
Page 33
... rocks show granulite facies metamorphism with a subsequent retro- gression to amphibolite facies . The granite gneiss , defi- cient in mafics , is mostly associated with charnockite group of rocks in the area . Nepheline syenite near ...
... rocks show granulite facies metamorphism with a subsequent retro- gression to amphibolite facies . The granite gneiss , defi- cient in mafics , is mostly associated with charnockite group of rocks in the area . Nepheline syenite near ...
Page 50
... rocks lies to the east . A narrow NNE - SSW trending zone of granite gneiss with numerous enclaves of metabasic rock ( amphibolite , horn- blende schist , etc ) separates these two rock groups . Bengpal Group is represented by meta ...
... rocks lies to the east . A narrow NNE - SSW trending zone of granite gneiss with numerous enclaves of metabasic rock ( amphibolite , horn- blende schist , etc ) separates these two rock groups . Bengpal Group is represented by meta ...
Page 168
... rocks , etc. The area is lithologically akin to the Eastern Ghat Belt . During 1990-91 , alkaline rocks occurring north of Kankarkiari ( 23 ° 33′00 ′′ · : 86 ° 48′30 ′′ ) have been studied . Large scale mapping on 1 : 25,000 scale ...
... rocks , etc. The area is lithologically akin to the Eastern Ghat Belt . During 1990-91 , alkaline rocks occurring north of Kankarkiari ( 23 ° 33′00 ′′ · : 86 ° 48′30 ′′ ) have been studied . Large scale mapping on 1 : 25,000 scale ...
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