Records of the Geological Survey of India, Volume 112, Part 6Government of India, 1980 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 17
... depths , thus proving the existence of a ' blind zone ' in the two layer cases . To obtain the bed rock topography , depths were computed at each geophone location by adopting the ' Time - Depth ' method of Hawkins ( 1961 ) taking into ...
... depths , thus proving the existence of a ' blind zone ' in the two layer cases . To obtain the bed rock topography , depths were computed at each geophone location by adopting the ' Time - Depth ' method of Hawkins ( 1961 ) taking into ...
Page 19
... depth to the bed rock ( 4650 m / s layer ) is given by the critical distance formula Zc = X X02 V2 - Vo 2 V2 + Vo } } = 12/2 × 4650 - 400 } } 4650 + 400 = 6 x ( 4250/5050 ) = 6 x 0.9174 = 5.5 m As this depth is too less than the actual ...
... depth to the bed rock ( 4650 m / s layer ) is given by the critical distance formula Zc = X X02 V2 - Vo 2 V2 + Vo } } = 12/2 × 4650 - 400 } } 4650 + 400 = 6 x ( 4250/5050 ) = 6 x 0.9174 = 5.5 m As this depth is too less than the actual ...
Page 20
... depths when calculated using the nomograms prepared by Hawkins and Maggs . For obtaining the bed rock depths at every geophone position along each of the traverses , an average composite depth conversion factor ( Hawkin's time - depth ...
... depths when calculated using the nomograms prepared by Hawkins and Maggs . For obtaining the bed rock depths at every geophone position along each of the traverses , an average composite depth conversion factor ( Hawkin's time - depth ...
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Common terms and phrases
Ahiran alluvial Archaeans Bailadila Banbiha Sandstone banded basalt basin Bastar bed rock Belgari Bhulwa Limestone Member Bijawars biotite bottom chert chlorite clay deposit coarse crushing strength Deccan Trap Dhengur nala drainage earthquake Eastern Ghats engineering properties epicentral fault felspar folds fractures Geol Geological Survey geophysical Geotechnical Ghosh gneiss Gondwana grained granite granite gneiss granulite gravity groundwater Hasdeo Hasdeo river hills hornblende hornblende granulite industrial waste Joga Rao Kaimur Kaimur Quartzite Kanker Kanker subdivision kg/cm² Korba Korba West Koyna laterite Limestone lithological located Madhya Pradesh Mathur metres microcline nala NW-SE Paisuni Formation Paisuni Stage PANNA DISTRICT Panna Shale Perara Shale pink plagioclase Plate profiles quartz Quartzite Ramkheria refraction Rewa Rewa Group Rewa Limestone ridges rock types samples sandstones schist sedimentary rocks sedimentation seismic Shale slope stratigraphic structures Surv Survey of India terrace thickness tuff units valley velocity Vindhyan volcanic xenoliths