Records of the Geological Survey of India, Volume 111, Part 1Government of India, 1983 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 209
... flows of the Deccan Trap except for a small portion in the southern part where some Tertiary sediments are ex- posed . The lower flows are acid to basic in composition . The basic lavas which are mainly of ' Pahoehoe ' type are either ...
... flows of the Deccan Trap except for a small portion in the southern part where some Tertiary sediments are ex- posed . The lower flows are acid to basic in composition . The basic lavas which are mainly of ' Pahoehoe ' type are either ...
Page 229
... flows were reported . The thickness of flows varies from 5m to 55 m . ' Pahoehoe ' flows in general are thinner in comparison to ' aa ' flows . Texturally , the flows are both porphyritic and non - por- phyritic types . The gradient of ...
... flows were reported . The thickness of flows varies from 5m to 55 m . ' Pahoehoe ' flows in general are thinner in comparison to ' aa ' flows . Texturally , the flows are both porphyritic and non - por- phyritic types . The gradient of ...
Page 262
... flows has been delineated . The basaltic plateau is occupied by laterite at places . The flows are traversed by prominent set of fractures trending N - S , NW - SE , E - W and NE - SW . In the area around Unhavre , a sequence of 8 ...
... flows has been delineated . The basaltic plateau is occupied by laterite at places . The flows are traversed by prominent set of fractures trending N - S , NW - SE , E - W and NE - SW . In the area around Unhavre , a sequence of 8 ...
Contents
VIII WESTERN REGION | 13 |
EASTERN REGION | 45 |
MINERAL INVESTIGATIONS | 67 |
Copyright | |
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alignment amphibolite analysis Andhra Pradesh anomaly zone Asstt bands basalt basin bauxite bedrock Bihar biotite block boreholes Calcutta chalcopyrite Circle clay coal comprising covered Deccan Trap delineated deposits depth Director dist district Division drill cores drill holes fault folds Formation fossils geochemical geological mapping Geologist Jr Geophysical surveys geotechnical geothermal glacier gneiss Gondwana granite Group Headquarters Hydel India indicated investigation Kumar laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Meghalaya metres migmatites mineralisation minerals nala occurs Orissa pegmatite phyllite pits power house Pradesh Project proposed pyrite quartz quartz veins quartzite Rajasthan regional resistivity river rock types S/Shri sand sandstone Sarvashri scale schist seams sediments seismic shale shear zone Shillong Shri sillimanite Singh soil spillway sq km Srivastava strike length studies sulphide thickness tion Toposheet traverse trending tunnel upto Valley varying Vindhyan West Bengal