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 4
... associated with the earliest deformation ( D1 ) followed by a retrograde event ( M2 ) linked with D2 deformation . The most important metamorphic marker in the Central Crystallines is the muscovite - out isograd de- fined by the ...
... associated with the earliest deformation ( D1 ) followed by a retrograde event ( M2 ) linked with D2 deformation . The most important metamorphic marker in the Central Crystallines is the muscovite - out isograd de- fined by the ...
Page 255
... associated with mafic - ultramafic carbonatite complex around Samohampi , Karbi Anglong district , Assam ( Toposheet 83F / 8 ) ( Code No : RIS / 83F / NER / ASM / 85 ) S. Chattopadhyay , A. K. Bera and K. N. Nagaraja Rao were associated ...
... associated with mafic - ultramafic carbonatite complex around Samohampi , Karbi Anglong district , Assam ( Toposheet 83F / 8 ) ( Code No : RIS / 83F / NER / ASM / 85 ) S. Chattopadhyay , A. K. Bera and K. N. Nagaraja Rao were associated ...
Page 428
... associated probably with the Malanis is a tholeiitic deriva- tive with 7.84 % normative quartz while the younger basics associated with the alkaline assemblage is of alkali - olivine basalt parentage with olivine and nepheline normative ...
... associated probably with the Malanis is a tholeiitic deriva- tive with 7.84 % normative quartz while the younger basics associated with the alkaline assemblage is of alkali - olivine basalt parentage with olivine and nepheline normative ...
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