Records of the Geological Survey of India, Volume 112, Part 3government of India., 1982 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 16
... cleavage is cut by another prominent cleavage ( S , ) along N 20 ° -40 ° W to S 20 ° -40 ° E , and is of fracture cleavage type . Recrystallisation is not seen along this cleavage and it is found to have very steep dips of 80 ° to ...
... cleavage is cut by another prominent cleavage ( S , ) along N 20 ° -40 ° W to S 20 ° -40 ° E , and is of fracture cleavage type . Recrystallisation is not seen along this cleavage and it is found to have very steep dips of 80 ° to ...
Page 18
... cleavage marks the S , in the phyllites and carbon- bearing rocks , whereas a well pronounced schistosity characterises this in the mica schists . The S is found to be folded into a synform . the axial trace of which is roughly along a ...
... cleavage marks the S , in the phyllites and carbon- bearing rocks , whereas a well pronounced schistosity characterises this in the mica schists . The S is found to be folded into a synform . the axial trace of which is roughly along a ...
Page 20
... CLEAVAGE FRACTURE CLEAVAGE CRENULATION CLEAVAGE SCHISTOSITY WITH DOWN - DIP MINERAL / LINEATION ( L4 ) SCHISTOSITY WITH SUB - HORIZONTAL CE LINEATION ( L3 ) SCHISTOSITY / CLEAVAGE WITH MINERAL / TRACE / CRENULATION LINEATION ( L2 ) ...
... CLEAVAGE FRACTURE CLEAVAGE CRENULATION CLEAVAGE SCHISTOSITY WITH DOWN - DIP MINERAL / LINEATION ( L4 ) SCHISTOSITY WITH SUB - HORIZONTAL CE LINEATION ( L3 ) SCHISTOSITY / CLEAVAGE WITH MINERAL / TRACE / CRENULATION LINEATION ( L2 ) ...
Contents
OF | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern Gangpur Bonaigarh Region Sundargarh | 13 |
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analysis andradite anomaly average axial plane Badampahar bands basaltic basin bauxite beds Bihar biotite calc-gneiss chalcopyrite channel chlorite cleavage Coalfield conglomerate deformation deposits Dhanbad district Dhanjori epidiorite district dolerite dykes eastern ENE-WSW epidiorite epidote F₁ facies fold fossils fractures Gangpur Gangpur Group garnet-rock Geol GEOLOGICAL SURVEY Geophysical gibbsite gneiss Godhur grains granite gneiss gravity Group-I Group-II rocks Group-III Hazaribagh Hazaribagh district hornblende host rock INDIA Records indicated kaolinite Karharbari Formation Keonjhar Khola Kusunda laterite lavas limb massive garnet metamorphic metavolcanic metres mica schists mineralisation minerals muscovite Nausahi North Karanpura occur Orissa pegmatite phyllite plagioclase Plate plunging quartz quartzite Rajgir Rangpo Region resistivity samples sandstone saprolite Sarkar scale schist schistose sedimentary sediments sequence sericite shales shear shows Singhbhum skarn southern stowed structures sulphide Surv SURVEY OF INDIA syncline synformal textural thickness traverse trend ultrabasic rock unstowed vein quartz volcanics