Records of the Geological Survey of India, Volume 120, Part 1Geological Survey of India, 1991 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 124
... flows show thickening and thinning along the gradient . A beautiful vertical columnar structure resembling minarets and described as colonnade , has been deve- loped in the lower part of the flow no . VII which grade into small columnar ...
... flows show thickening and thinning along the gradient . A beautiful vertical columnar structure resembling minarets and described as colonnade , has been deve- loped in the lower part of the flow no . VII which grade into small columnar ...
Page 125
... flows . Eight of these flows are pahoehoe type and rest are of ' aa ' type . The lows display a regional gradient of 1 in 225 due south and southeast . The basalt flows have been intruded by three dolerite dykes . Of these , one shows ...
... flows . Eight of these flows are pahoehoe type and rest are of ' aa ' type . The lows display a regional gradient of 1 in 225 due south and southeast . The basalt flows have been intruded by three dolerite dykes . Of these , one shows ...
Page 127
... flows . Among these , 1 flow is pahoehoe type , whereas two flows exhibit mixed characters i.e. of both aa and pahoehoe type flow cha- racters . The remaining 11 flows are of compound pahoehoe type . The regional gradient of the flows ...
... flows . Among these , 1 flow is pahoehoe type , whereas two flows exhibit mixed characters i.e. of both aa and pahoehoe type flow cha- racters . The remaining 11 flows are of compound pahoehoe type . The regional gradient of the flows ...
Contents
CENTRAL HEADQUARTERS | 3 |
GEOPHYSICAL DIVISION | 16 |
MINERAL PHYSICS DIVISION | 22 |
Copyright | |
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airborne alignment amphibolite analysis anomalies associated Background Information bands basalt basemetal basin Bihar biotite block borehole Calcutta carried out geotechnical chalcopyrite clay coal seams coalfield Code comprising copper core samples covering an area Deccan Deccan Trap deposits depth range Director DISTRICT drill cores dykes evaluation exploration exposed fault flows Formation geological mapping GEOLOGY DIVISION geophysical geotechnical investigation gneiss Gondwana grained granite gneiss gravity Group Headquarters Hydel indicated Karnataka Laboratory landsat Lats limestone located logging Madhya Pradesh magnetic Meghalaya million tonnes mineral mineralisation occur ophiolite Orissa pegmatite phyllite power house programme Project proposed quartz quartzite Rajasthan Raniganj REGIONAL GEOLOGY river rock types samples were collected sand sandstone scale schist sector sediments shale shear zone Shri spillway sq km sq km area strike length structural studies sulphide surface surveys thickness tion toposheet traverse trending tunnel upto varying West Bengal