Records of the Geological Survey of India, Volume 122, Part 1The Survey, 1996 - 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 230
... granite gneiss . Other rock types encountered include felspathic quartzite and amphibolite . The skialithic hornblende gneiss grades into hornblende granite within the country rock of streaky gneiss . This first pulse of grantised mafic ...
... granite gneiss . Other rock types encountered include felspathic quartzite and amphibolite . The skialithic hornblende gneiss grades into hornblende granite within the country rock of streaky gneiss . This first pulse of grantised mafic ...
Page 330
... granite also occur . Several coarse to medium grained tourmaline , barytes and white mica bearing pegmatite bodies ( 10.25 m ) ( 5.50 m ) intrude the granite and the country rock . In Rarang - Akpa area the Rakcham granite intrudes the ...
... granite also occur . Several coarse to medium grained tourmaline , barytes and white mica bearing pegmatite bodies ( 10.25 m ) ( 5.50 m ) intrude the granite and the country rock . In Rarang - Akpa area the Rakcham granite intrudes the ...
Page 408
... granite , quartzite and ferrugi- quartz - chlorite schist , quartz porphyry , quartzite , BFQ with nous chert . associated shales occur as enclaves within granite gneiss / migmatite and intruded by younger grey and coun- try pink granites ...
... granite , quartzite and ferrugi- quartz - chlorite schist , quartz porphyry , quartzite , BFQ with nous chert . associated shales occur as enclaves within granite gneiss / migmatite and intruded by younger grey and coun- try pink granites ...
Contents
INTRODUCTION | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 4571 | 45 |
COAL WING 7296 | 72 |
Copyright | |
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alignment Alluvium amphibolite analysis Andhra Pradesh anomaly Archaean assess ASSTT bands basalt basemetal basin bed rock Bihar biotite block boreholes carried charnockite chemical clay coal seams Coalfield Code comprises core covered Deccan Deccan Trap delineated deposits depth DIRECTOR GEOLOGIST district drilling dykes ECONOMIC GEOLOGY DIVISION evaluation exploration exposed field season Formation geochemical GEOLOGIST GEOLOGIST JR geophysical geotechnical investigation gneiss Gondwana granite granite gneiss grey Group Headquarters holes India indicated Karnataka km long Kumar laboratory limestone located logging magnetic migmatites mineral mineralisation occur Orissa pegmatite phyllite power house programme quartz quartz veins quartzite Quaternary Rajasthan REGIONAL GEOLOGY DIVISION reservoir river sand sandstone scale schist schist belt sediments shale shear zone SHRI S.K. Singh soil spillway sq km stage geotechnical investigation strike length studies suggested sulphide surface surveys systematic geological mapping thick tion toposheet trench trending tunnel upto volcanics