Records of the Geological Survey of India, Volume 129, Part 5Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 146
... joints , fractures and veins accom- panying shear zones , there exists natural joints , fractures and veins / veinlets in dyke body . Criteria that qualify and quantify these structural elements are spacings , persistence , termination ...
... joints , fractures and veins accom- panying shear zones , there exists natural joints , fractures and veins / veinlets in dyke body . Criteria that qualify and quantify these structural elements are spacings , persistence , termination ...
Page 149
... joints , it was suggested : 1 ) to excavate the loose rocks in the top 0.5 to 1 m level in several stretches to ... joints and sub - horizontal or near horizontal joints . Deep weathering along , N70 ° to 85 ° E -S 70 ° to 85 ° W ...
... joints , it was suggested : 1 ) to excavate the loose rocks in the top 0.5 to 1 m level in several stretches to ... joints and sub - horizontal or near horizontal joints . Deep weathering along , N70 ° to 85 ° E -S 70 ° to 85 ° W ...
Page 185
... joints dip at 70 ° and trend 15 ° to 45 ° askew to the tunnel direction . Besides the above foliation joints , there are two more sets of prominent joints dipping at 70 ° to vertical , trending i ) 10 ° to 40 ° askew and ii ) near ...
... joints dip at 70 ° and trend 15 ° to 45 ° askew to the tunnel direction . Besides the above foliation joints , there are two more sets of prominent joints dipping at 70 ° to vertical , trending i ) 10 ° to 40 ° askew and ii ) near ...
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Common terms and phrases
acid volcanics amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly zones anorthosite assessment auriferous banded iron formation beach ridges bedrock beds BIF bands biotite biotite gneiss block boreholes carried charnockite chert Chitradurga clay delineated deposits depth Dharwar dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation foundation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss Gneissic gold mineralisation granite gneiss granulite gravity grey grout hornblende INDEX indicated intrusives joints KARNATAKA KERALA kimberlite laterite lignite limestone lineament located mafic magnetic metabasalt migmatites mineral mineralised zones NE-SW NNW-SSE NW-SE occur overburden pegmatite Plate power house PROJECT pyrite quartz quartz veins quartzite regional reservoir river rock types samples scale schist belt schistose sediments shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys TAMIL NADU thickness traversed trenching trending tunnel ultramafic upto vertical weathered width