Records of the Geological Survey of India, Volume 123, Part 5The Survey, 1990 - 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 190
... Fresh rock could not be established in the boreholes . Due to abnormal poor core recoveries all through in these bore- holes it has become very difficult to assess the contacts between overburden , weathered rock and fresh rock . It was ...
... Fresh rock could not be established in the boreholes . Due to abnormal poor core recoveries all through in these bore- holes it has become very difficult to assess the contacts between overburden , weathered rock and fresh rock . It was ...
Page 228
... rock varies from 0.5 m to 21 m below which moderately weathered and fresh rock is available . Approximately from RD 120 m from the entry , 3D fresh rock cover is expected and upto RD 120 m drivage of the tunnel is to be done carefully ...
... rock varies from 0.5 m to 21 m below which moderately weathered and fresh rock is available . Approximately from RD 120 m from the entry , 3D fresh rock cover is expected and upto RD 120 m drivage of the tunnel is to be done carefully ...
Page 248
... rock fill dam near Thekkuvetta / Pattimelam to divert the water through a 4 km long power tunnel to generate 100 MW ... fresh and tentative foundation grade rock levels between RLS 542.55 m and 575.0 m . The boreholes drilled in the ...
... rock fill dam near Thekkuvetta / Pattimelam to divert the water through a 4 km long power tunnel to generate 100 MW ... fresh and tentative foundation grade rock levels between RLS 542.55 m and 575.0 m . The boreholes drilled in the ...
Contents
Quaternary geology and geomorphology of the Coastal tracts | 1 |
Geology of Peninsular Gneissic Complex around Narasampet in Warangal district Andhra Pradesh | 8 |
Geology of Peninsular Gneissic Complex in parts of Jangaon and Aler area | 15 |
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Common terms and phrases
alignment amphibolite ANDHRA PRADESH ANDHRA PRADESH CODE Archaean axis bands basin bedrock biotite block boreholes boreholes drilled canal charnockite charnockite gneiss clay coarse-grained current field season cut-off trench depth dips DISTRICT dolerite dolerite dykes earth dam enclaves excavated exposed fault feldspar folds foliation Formation foundation fractured fresh rock g/t gold Gangavalli garnetiferous GEOLOGICAL MAP GEOTECHNICAL gneiss Gondwana granite granitoids granodiorite granulite grey granite grouting holes hornblende indicated intrusive joints KARNATAKA KERALA kimberlite km long laterite left flank limestone located massive METRES migmatite mineralised zone nala NE-SW NNE-SSW NW-SE occur pegmatite pegmatoidal phyllites pink granite power house proposed pyrite pyroxenite quartz quartz veins quartzite reservoir river rock types samples sandstone scale SCHEME schist schist belt sediments shaft shale soil spillway sq km STRIKE AND DIP strike length studies sulphide surface syenite TAMIL NADU traversed trending tunnel upto varies vertical width