Records of the Geological Survey of India, Volume 131, Parts 5-6The 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 151
... upto moderately weathered , but hard rock . In blocks 3 and 4 , weathered rock extending upto a depth of 4 m along two joints trending NNW - SSE , was excavated upto hard rock . In the left non - overflow ( N.O.F. ) dam foundations ...
... upto moderately weathered , but hard rock . In blocks 3 and 4 , weathered rock extending upto a depth of 4 m along two joints trending NNW - SSE , was excavated upto hard rock . In the left non - overflow ( N.O.F. ) dam foundations ...
Page 36
... upto 142.50 m was closed for shifting the rig to other investigation . The rocks encountered in borehole J - 1 comprise Gondwana sendstone upto 229.45 m followed by dolerite intrusive upto 353.50 m and sandstone and shale upto 390 m ...
... upto 142.50 m was closed for shifting the rig to other investigation . The rocks encountered in borehole J - 1 comprise Gondwana sendstone upto 229.45 m followed by dolerite intrusive upto 353.50 m and sandstone and shale upto 390 m ...
Page 41
... upto 11.5 m depth . Beyond 11.5 m and upto 25.7 m medium to coarse sand with pebbles and boulders has been met with . Below 25.70 m and upto 35.80 m garnet - biotite - gneiss with thin quartz- felspathic veins between 29.65 - 30.15 m ...
... upto 11.5 m depth . Beyond 11.5 m and upto 25.7 m medium to coarse sand with pebbles and boulders has been met with . Below 25.70 m and upto 35.80 m garnet - biotite - gneiss with thin quartz- felspathic veins between 29.65 - 30.15 m ...
Contents
ANDHRA PRADESH | 1 |
KARNATAKA AND GOA | 71 |
GEOTECHNICAL INVESTIGATIONS | 144 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite auriferous bands basalt basin bed rock biotite block borehole carried charnockite chert clay Cuddapah Deccan Trap depth dimensional stone DISTRICT dolerite drilling emplaced excavation exposed fault field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical gneiss gneissic gold mineralisation Gondwana grained granite granulite gravity grey grouting indicated intersected intrusives joints Karnataka Kerala kimberlite laterite lineament located lode MADHYA PRADESH magnetic Maharashtra metabasalt metamorphism migmatite mineral mineralised zone Nagpur NE-SW NNW-SSE NW-SE occurs pegmatite phyllite pink pyrite quarries quartz quartz veins quartzite Quaternary regional river samples sandstone Sausar Group scale schist schist belt shale shear zone slope soil spillway sq km strike length structure studies sulphide surveys TAMIL NADU tectonic thickness toposheet traverse trench trending tuff tunnel upto volcanic weathered width एवं का की के क्षेत्र मी में से हेतु है