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 21
Thus , based on the structures , matamorphism and in situ migmatization , the migmatized sequences occurring in the western part of the Aravalli range and in the inlier within the Delhi Supergroup belong to the pre - Delhi .
Thus , based on the structures , matamorphism and in situ migmatization , the migmatized sequences occurring in the western part of the Aravalli range and in the inlier within the Delhi Supergroup belong to the pre - Delhi .
Page 24
Similar structural hiatus is also marked at Badnor , where , however , the Devgarh Group is recognized as pre - Delhi by Mukhopadhyay and Dasgupta ( 1978 ) . The contact between the augen gneiss of the pre - Delhi ( east ) and the ...
Similar structural hiatus is also marked at Badnor , where , however , the Devgarh Group is recognized as pre - Delhi by Mukhopadhyay and Dasgupta ( 1978 ) . The contact between the augen gneiss of the pre - Delhi ( east ) and the ...
Page 25
1 1 of migmatization ( syn- to post - Fz ) has produced augen gneiss in the pre - Delhi ( inlier ) . The semipelitic schist ( intertrappean ) of the Barotiya Group in the Phulad area is highly feldspathized .
1 1 of migmatization ( syn- to post - Fz ) has produced augen gneiss in the pre - Delhi ( inlier ) . The semipelitic schist ( intertrappean ) of the Barotiya Group in the Phulad area is highly feldspathized .
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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