Records of the Geological Survey of India, Volume 124, Parts 7-8Government of India, 1991 - 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 16
... grained , dark greyish groundmass . The overlying Group - V is represented by fine to medium - grained plagioclase - phyric basalt . The topmost flows constituting Group - VI are again represented by megaphenocryst basalt . Plagioclase ...
... grained , dark greyish groundmass . The overlying Group - V is represented by fine to medium - grained plagioclase - phyric basalt . The topmost flows constituting Group - VI are again represented by megaphenocryst basalt . Plagioclase ...
Page 22
... grained , compound in character with ropy nature and pipe amygdales . It is overlain by a thin 3 to 4 m thick , fine - grained basalt flow . Basalts show porphyritic and glomeroporphyritic textures and consist of plagioclase ...
... grained , compound in character with ropy nature and pipe amygdales . It is overlain by a thin 3 to 4 m thick , fine - grained basalt flow . Basalts show porphyritic and glomeroporphyritic textures and consist of plagioclase ...
Page 43
... grained grey _micaceous sand with grey silt . -Disconformity Fine to medium grained , brown to yellowish oxidised micaceous sand . Polycyclic , sand , silt & clay associated with bedded and nodular kankar bands , domi- nantly sandy in ...
... grained grey _micaceous sand with grey silt . -Disconformity Fine to medium grained , brown to yellowish oxidised micaceous sand . Polycyclic , sand , silt & clay associated with bedded and nodular kankar bands , domi- nantly sandy in ...
Contents
GEOLOGICAL MAPPING Page 1 Highgrade and mediumgrade sequences of the Mangalwar and Sandmata Complexes | 1 |
Studies on the Mangalwar and the Hindoli rock sequences | 3 |
Mangalwar Project | 4 |
Copyright | |
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Common terms and phrases
aeolian Alluvium amphibolite axis bands basalt basin belt biotite block boreholes calcareous chalcopyrite channel Chittaurgarh district clay comprises Delhi deposits depth dips district Doda district dolomite dunes exposed fault field season flood plain fluvial folds foliation Formation Ganga geological mapping Geology Division geomorphic geomorphological geophysical geotechnical gneiss gold Gomati grade grained granite grey Group Himachal Pradesh Himalaya indicate Jammu joints kankar kmĀ² Krol limestone Lithology Lithostratigraphy lithounits located Mangalwar metamorphism metres mica schist micaceous mineral mineralised zone Older Alluvial Plain palaeochannels pegmatite phyllite Project quartz quartz veins quartzite Quaternary Rajasthan regional river rocks sandstone scale schist sediments sequence shale shear zone silt siltstone Siwalik slate slope soil Sonbhadra district spillway sq.km studies sulphide Supergroup surface surveys SYNCLINE tectonic Terrace Alluvium thermal thick tion toposheet trending tunnel Udaipur district Upper Uttar Pradesh valley Varanasi Varanasi Older Alluvium Vindhyan volcanics Yamuna