Records of the Geological Survey of India, Volume 133, Parts 6-7Government of India, 1998 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 62
... joints which has rendered the rock mass blocky . The prominent joint sets among them are ( i ) N50 ° E - S50 ° W dipping at steep angles to vertical , ( ii ) N10 ° W - S10 ° E dipping at 60-75 ° towards east , and ( iii ) N80 ° E- S80 ...
... joints which has rendered the rock mass blocky . The prominent joint sets among them are ( i ) N50 ° E - S50 ° W dipping at steep angles to vertical , ( ii ) N10 ° W - S10 ° E dipping at 60-75 ° towards east , and ( iii ) N80 ° E- S80 ...
Page 46
... joints , granite exposed around the dam site is traversed by three sets of subvertical joints trending N60 ° W - S60 ° E , N 15 ° W - S15 ° E , N40 ° E - S40 ° W with joint spacing varying from 0.30 to 0.60 cm . The joints are open at ...
... joints , granite exposed around the dam site is traversed by three sets of subvertical joints trending N60 ° W - S60 ° E , N 15 ° W - S15 ° E , N40 ° E - S40 ° W with joint spacing varying from 0.30 to 0.60 cm . The joints are open at ...
Page 49
... joints , dipping 70 ° easterly to vertical . Some of the joints show shearing and minor displacement . The shear zones are 10 to 40 cm wide . The amygdular basalt at foundation ( between RD 1320 m to 1406.60 m ) is traversed by three ...
... joints , dipping 70 ° easterly to vertical . Some of the joints show shearing and minor displacement . The shear zones are 10 to 40 cm wide . The amygdular basalt at foundation ( between RD 1320 m to 1406.60 m ) is traversed by three ...
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Common terms and phrases
amphibolite anomaly associated bands basalt base metal basin belt Bhilwara biotite block boreholes carried clinopyroxene comprises CONSTRUCTION STAGE GEOTECHNICAL core covered database Deccan Trap depth dips drilling dykes exploration exposed fault field season flows folds foliation Formation foundation geochemical Geoenvironmental geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold grade grained granite granulite gravity grey Gujarat indicate intersected intrusive Jaisalmer joints Khandwa kimberlite km² area lava tube limestone lineament located MADHYA PRADESH magnetic Maharashtra metamorphism mineralised zones minerals nala NE-SW NW-SE occur Pandhana pegmatite phase of deformation phenocrysts phyllite plagioclase porphyritic Proterozoic quartz quartz veins quartzite Rajasthan Rajsamand district regional river samples sandstone Sausar scale schist sediments sequence shear zones Sidhi district soil stage geotechnical investigation strike length structure studies sulphide Supergroup survey tectonic thematic maps thick toposheet traversed trench trending tuff ultramafic upto vertical volcanic width