Records of the Geological Survey of India, Volume 127, Part 3The Survey, 1994 - 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 19
... rocks . In Dhawa area rocks mainly constitute granite- gneiss with thin quartzitic bands , amphibolite , calc- gneiss , quartz - garnet rocks , actinolite - tremolite mineralised rocks which are profusely traversed by quartz veins and ...
... rocks . In Dhawa area rocks mainly constitute granite- gneiss with thin quartzitic bands , amphibolite , calc- gneiss , quartz - garnet rocks , actinolite - tremolite mineralised rocks which are profusely traversed by quartz veins and ...
Page 120
... rocks occur as " Float ores " of apatite extending along ENE - WSW strike . The apatite - magnetite mineralisation occurs as breccia and fracture fillings within mica schists / phyllites and amphibolite . Apatite bearing rocks are ...
... rocks occur as " Float ores " of apatite extending along ENE - WSW strike . The apatite - magnetite mineralisation occurs as breccia and fracture fillings within mica schists / phyllites and amphibolite . Apatite bearing rocks are ...
Page 213
... rocks some of which have yielded early Proterozoic dates . Large extent of these volca- nic rocks are exposed north and south of Bangriposhi , east of Pallahara and other places . It was proposed to identify the total range of petro ...
... rocks some of which have yielded early Proterozoic dates . Large extent of these volca- nic rocks are exposed north and south of Bangriposhi , east of Pallahara and other places . It was proposed to identify the total range of petro ...
Contents
BIHAR | 1 |
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
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ABSTRACTS OF PROGRESS acid volcanic amphibolite Andaman apatite bands Bankura districts basemetal mineralisation basin belt Bihar biotite block boreholes carbonatite chert Chhotanagpur chlorite chlorite schist chromite clay conglomerate Construction stage geotechnical deformation deposits depth dolerite drilling Eastern Ghat Engineering Geology exploration EXTENDED ABSTRACTS ferruginous field season folds foliation formation geochemical GEOLOGICAL MAP Geology III Ops geophysical geotechnical investigation Ghosh gneiss gold grade grained granite gneiss Group of rocks INDEX indicate Iron Ore Supergroup Irrigation Project island Keonjhar Keonjhar district LATERITE lithounits located manganese Mayurbhanj metasedimentary mica schist mineral mineralised zone NALA occur Orissa ORISSA Code OVERVIEW phyllite plagioclase Plate potential Project Engineering Geology quartz quartz veins quartzite Quaternary river sand scale schist sector sequence Sikkim Singhbhum granite Singhbhum Group soil spillway sq km stage geotechnical investigation strike length sulphide surface SURVEY OF INDIA tion Toposheet traversed trending tunnel ultramafic upto West Bengal