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 80
... collected from these block . In the Marrikommadinne block , a number of pounding marks were noticed in quartz - muscovite- sericite sillimanite schist indicating gold extrac- tion . Samples ( 157 nos ) collected during this field season ...
... collected from these block . In the Marrikommadinne block , a number of pounding marks were noticed in quartz - muscovite- sericite sillimanite schist indicating gold extrac- tion . Samples ( 157 nos ) collected during this field season ...
Page 82
... collected which analysed gold ranging from < 25 ppb to 510 ppb . In the Mallayakonda ( △ 3,477′- 1 , 060 m ) block , two old workings ( adit type openings ) were noticed in banded iron formationin separated by about 250 m , showing ...
... collected which analysed gold ranging from < 25 ppb to 510 ppb . In the Mallayakonda ( △ 3,477′- 1 , 060 m ) block , two old workings ( adit type openings ) were noticed in banded iron formationin separated by about 250 m , showing ...
Page 123
... collected . Out of the 75 samples collected in the field , 38 samples representing the entire drainage system of the area was taken up for heavy mineral strudies . About 50 g of sediment from each sample was treated with bromoform for ...
... collected . Out of the 75 samples collected in the field , 38 samples representing the entire drainage system of the area was taken up for heavy mineral strudies . About 50 g of sediment from each sample was treated with bromoform for ...
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