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 57
... trenches ( T1 to T , ) and two pits upto 3 to 4 m depth was carried out in pipe - 7 to collect bulk samples . Four bulk samples ( 115 cu m ) in trench - 9 were collected in the colluvium and calcrete over- lying the kimberlite . As the ...
... trenches ( T1 to T , ) and two pits upto 3 to 4 m depth was carried out in pipe - 7 to collect bulk samples . Four bulk samples ( 115 cu m ) in trench - 9 were collected in the colluvium and calcrete over- lying the kimberlite . As the ...
Page 171
... Trenches - 1 and 7 and pit - 1 revealed the existence of old workings . Trenches - 4 and 5 , showed strike continuity of the quartz veins exposed in the western and southern side of the main old working . Trench - 9 excavated across the ...
... Trenches - 1 and 7 and pit - 1 revealed the existence of old workings . Trenches - 4 and 5 , showed strike continuity of the quartz veins exposed in the western and southern side of the main old working . Trench - 9 excavated across the ...
Page 202
... trench below an overburden of 0.5 to 1 m thick black cotton soil . The cut - off trench was suggested to be taken upto a metre into bedrock . A 1.8 m wide vertically dipping shear zone , made up of highly weathered and kaolinised ...
... trench below an overburden of 0.5 to 1 m thick black cotton soil . The cut - off trench was suggested to be taken upto a metre into bedrock . A 1.8 m wide vertically dipping shear zone , made up of highly weathered and kaolinised ...
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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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