Records of the Geological Survey of India, Volume 111, Part 2The Survey, 1976 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 44
Geological Survey of India. METAMORPHISM Study of the mineral assemblages , textural deve- lopments and crystallisation of some index minerals in relation to deformation clearly brings out the meta- morphic evolution of the rocks . The ...
Geological Survey of India. METAMORPHISM Study of the mineral assemblages , textural deve- lopments and crystallisation of some index minerals in relation to deformation clearly brings out the meta- morphic evolution of the rocks . The ...
Page 89
... minerals are chalcopyrite and pyrite with rare pyrrhotite . Chlorite , quartz , sericite , apatite and magnetite consti- tute the gangue minerals . for Chlorite - quartz schist constitutes the host rock copper mineralisation . Surface ...
... minerals are chalcopyrite and pyrite with rare pyrrhotite . Chlorite , quartz , sericite , apatite and magnetite consti- tute the gangue minerals . for Chlorite - quartz schist constitutes the host rock copper mineralisation . Surface ...
Page 115
... minerals of iron ( 80 to 90 % on the average ) , with subordinate amounts of iron rich clays and little or no free silica . A large part of the ore minerals consists of hematite ( martite ? ) with subordinate amounts of magnetite and ...
... minerals of iron ( 80 to 90 % on the average ) , with subordinate amounts of iron rich clays and little or no free silica . A large part of the ore minerals consists of hematite ( martite ? ) with subordinate amounts of magnetite and ...
Contents
Scope of Development Exploration and Preliminary Assessment of the Geothermal Resource Potentials | 17 |
Structure and Metamorphism of the Area Between Haveri and Ranibennur Dharwar District Karnataka | 41 |
Structural Geology of Northwest Part of Hazaribagh District BiharU Prasad | 49 |
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Common terms and phrases
aa flows amphibolite Andaman anomaly zone aquifer Archaean Baratang Baruipur basalt belt Bihar borehole charnockites chlorite clays coal conglomerate copper Deccan Trap Deltaic Plain deposits depth dips district dykes facies faults ferruginous quartzite flysch folds foliation fractures geochemical Geol GEOLOGICAL MAP Geological Survey geophysical Geothermal Province gneiss Grade grained granite graphite groundwater Group hematite hematite rock horizon hot springs India indicated jaspilite Jhabua district joints Karewa Karnataka Koyna Laterite lavas lineation located lode magnetic Mandsaur district manganese metamorphism metres mineralised minerals non-coking North Tirodi occur olivine pahoehoe pahoehoe flows Pawnia phenocrysts pits plagioclase Plate plunging Pradesh Precambrian quartz quartzite radiolarite range region ridge river samples sand sandy schist sedimentary sediments serpentinites shale Singhbhum soil steam stratigraphic structure sulphide surface Surv Survey of India Table tectonic thermal thickness traverse Turamdih area Unconformity Unpublished GSI Report upto Valley vertical weathered