Records of the Geological Survey of India, Volume 135, Parts 4-5Government of India, 2000 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 10
... gneiss and gradually it grades into the latter . Exposures of ferruginous garnet - mica quartzite / schist and magnetite - haematite quartzite are seen in the areas respectively southwest of Pakro and west of Nigcho . The Ziro Gneiss is ...
... gneiss and gradually it grades into the latter . Exposures of ferruginous garnet - mica quartzite / schist and magnetite - haematite quartzite are seen in the areas respectively southwest of Pakro and west of Nigcho . The Ziro Gneiss is ...
Page 90
... gneiss is the predominant rock type followed by khondalite , Both garnet - biotite gneiss and garnet - biotite - sillimanite gneiss show patchy / incipient development of coarse charnockite along foliation and fracture planes ...
... gneiss is the predominant rock type followed by khondalite , Both garnet - biotite gneiss and garnet - biotite - sillimanite gneiss show patchy / incipient development of coarse charnockite along foliation and fracture planes ...
Page 114
... gneiss . Hornblende gneiss is exposed towards northwest and granitic rocks towards southeast . Within the gneisses , enclaves and bands of talcose meta - pyroxenite , amphibolite and BIF occur . These units , designated as Attapadi ...
... gneiss . Hornblende gneiss is exposed towards northwest and granitic rocks towards southeast . Within the gneisses , enclaves and bands of talcose meta - pyroxenite , amphibolite and BIF occur . These units , designated as Attapadi ...
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh Arunachal Pradesh Assam bands Basin bedrock biotite block boreholes Brahmaputra carried charnockite Chitradurga clay contour Cuddapah depth district drilled dykes east eastern excavation fault flood plain folds foliation Formation foundation fractures geoenvironmental geological mapping Geotechnical Investigation gneiss gold mineralisation gold values granite granite gneiss granulite gravity grey ground water Group hills indicated joints Karnataka Kerala khondalite kimberlite Krishna Kurnool lamproite limestone lineament located magnetic Meghalaya metabasalt migmatite mineral Mizoram NE-SW NW-SE occur pegmatite Peninsular Gneissic Complex penstock phyllite pink powerhouse Project proposed quartz quartz veins quartzite Quaternary regional river rock samples sand sandstone scale schist belt Serchhip shale shear zone slope soil southern Specialised Thematic Mapping sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structural studies sulphide surface surveys Tamil Nadu terrain thick toposheets traversed trench trending tunnel valley village weathered width के