Records of the Geological Survey of India, Volume 120, Parts 2-8Vols. 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 15
This sequence is also encountered east of the Devgarh Group ( named after the area Devgarh - 25 ° 32'15 " : 73 ° 55'00 " ) in the areas east of Devgarh and Dewair ( 25 ° 25'20 " : 73 ° 48'45 " ) where it is dominantly augen gneiss .
This sequence is also encountered east of the Devgarh Group ( named after the area Devgarh - 25 ° 32'15 " : 73 ° 55'00 " ) in the areas east of Devgarh and Dewair ( 25 ° 25'20 " : 73 ° 48'45 " ) where it is dominantly augen gneiss .
Page 24
Bhim and Devgarh . However , the shearing took place in zones and might have avoided the contact at places as unconformable contact relationship , marked by structural hiatus , is established at places between the Bhim Group and the ...
Bhim and Devgarh . However , the shearing took place in zones and might have avoided the contact at places as unconformable contact relationship , marked by structural hiatus , is established at places between the Bhim Group and the ...
Page 25
The Devgarh Group also shows dominantly post - F , K - feldspathization and to a lesser extent post - F , feldspathization . From the above discussion it is concluded that the earliest migmatization of the pre - Delhi took place prior ...
The Devgarh Group also shows dominantly post - F , K - feldspathization and to a lesser extent post - F , feldspathization . From the above discussion it is concluded that the earliest migmatization of the pre - Delhi took place prior ...
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Common terms and phrases
anhydrite associated average axial planes bands Barotiya base basin beds belt Bhim Group block bodies boreholes burrows central channel chert Chitradurga clay deformation Delhi Delhi Supergroup delta deposit depth detailed developed Devgarh direction district drilling east eastern effect environment estimate evaporites exploration field folds formation Geol Geological geometry gold grade granite gravity grey ground halite Haryana hinge India indicate inlier iron laterite limb lineation major mineral mineralisation mining minor Nagaur nature observed occur origin parallel pattern phase of folding plain plunge pre-Delhi present quartz Rajasthan range Reef regional represents reserve resulted rocks samples sand scale schist sediments seismic refraction Sendra Group sequence shear shear zone stage strike structures sulphide surface Surv surveys Table tectonic thickness tion trend unit values volcanics western zone