Records of the Geological Survey of India, Volume 123, Part 1The Survey, 2002 - 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 179
... grained buff and grey coloured feldspathic wacke and micaccous subarkose with green to buff siltstone - shale and carbo- naceous shale intercalations . This formation yields Glossopteris sp . , Vertebraria sp . , Sphenopteris sp ...
... grained buff and grey coloured feldspathic wacke and micaccous subarkose with green to buff siltstone - shale and carbo- naceous shale intercalations . This formation yields Glossopteris sp . , Vertebraria sp . , Sphenopteris sp ...
Page 246
... grained grey high potassic granite , pink granite gneiss , porphyroblastic pink alkali feldspar granite , medium to coarse grained pink high potassic granite and fine to medium grained garnetiferous leuco granite . All these rocks show ...
... grained grey high potassic granite , pink granite gneiss , porphyroblastic pink alkali feldspar granite , medium to coarse grained pink high potassic granite and fine to medium grained garnetiferous leuco granite . All these rocks show ...
Page 248
... grained granite . The last phase is represented by fine grained , equigra- nular granite . The medium to coarse grained granite occurs as an oblong body , having a uniform texture and composition . The area abounds in post granitic ...
... grained granite . The last phase is represented by fine grained , equigra- nular granite . The medium to coarse grained granite occurs as an oblong body , having a uniform texture and composition . The area abounds in post granitic ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 46 |
COAL WING | 72 |
Copyright | |
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analysed anomaly assess associated bands basalt base basic basin belt Bihar block bodies boreholes carried channel clay coal Code collected completed comprises condition construction continued core covered delineated deposits depth detailed developed Director district Division drilling dykes eastern exploration exposed field flows Formation foundation geological mapping geophysical geotechnical investigation gneiss gold grade grained granite Group Headquarters holes identified indicated intrusive irrigation length lignite limestone located lower magnetic major mineral mineralisation Nagpur objective occur Orissa Pradesh prepared present processed proposed quartz quartzite range Regional reported reservoir revealed river rock samples sand sandstone scale Scheme schist seams sediments shale shear soil spillway sq km stage strike structure suggested surface surveys taken thickness thin tion Toposheet traverses trending tunnel units upto values varies various veins West zone