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. |
From inside the book
Results 1-3 of 23
Page 120
... grade green schist assemblage of volcano - sedimentary sequence of the Precam- brian Singhbhum Group . The assemblage is in- truded by granitic rocks . The apatite deposits com- pare favourably with alkaline and carbonatite asso- ciated ...
... grade green schist assemblage of volcano - sedimentary sequence of the Precam- brian Singhbhum Group . The assemblage is in- truded by granitic rocks . The apatite deposits com- pare favourably with alkaline and carbonatite asso- ciated ...
Page 150
... grade pelitic rocks ( phyllites ) and high grade pelitic rocks ( coarse grained mica schists with garnet , staurolite and sillimanite , calc - silicate , quartzite and granite gneisses which include low grade gneiss quartz - felspar ...
... grade pelitic rocks ( phyllites ) and high grade pelitic rocks ( coarse grained mica schists with garnet , staurolite and sillimanite , calc - silicate , quartzite and granite gneisses which include low grade gneiss quartz - felspar ...
Page 153
... grade at the dam site varies from 3.0 m to 7.8 m . The foundation grade bedrock belongs to C , and C1 , classes of rockmass classification , suitable as foundation of the proposed spillway structure . No further subsurface explor- atory ...
... grade at the dam site varies from 3.0 m to 7.8 m . The foundation grade bedrock belongs to C , and C1 , classes of rockmass classification , suitable as foundation of the proposed spillway structure . No further subsurface explor- atory ...
Contents
BIHAR | 1 |
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
1 other sections not shown
Other editions - View all
Common terms and phrases
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