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 114
... rock types . - i ) jaspilite ; this is a banded rock ( banded hematite` jasper / quartzite – BHJ / Q ) , consisting of alter- nate bands of jasper ( chert / silica ) and oxidic minerals of iron ( hematite / magnetite ) . ii ) hematite rock ...
... rock types . - i ) jaspilite ; this is a banded rock ( banded hematite` jasper / quartzite – BHJ / Q ) , consisting of alter- nate bands of jasper ( chert / silica ) and oxidic minerals of iron ( hematite / magnetite ) . ii ) hematite rock ...
Page 116
... rock ( iron ore is based on the relative proportion of iron minerals , shaly clayey material and void space ( owing to / presence of pores ) present in the rock body , and not merely on the present mineralogical or chemical com ...
... rock ( iron ore is based on the relative proportion of iron minerals , shaly clayey material and void space ( owing to / presence of pores ) present in the rock body , and not merely on the present mineralogical or chemical com ...
Page 117
... rock and so called iron ore are essentially 4 . same . Hematite rock / iron ore originated during Precam- brian times . 5. Effect of metamorphism is not significant in the Iron ore Group . 6. The sedimentogenic structures ( such as ...
... rock and so called iron ore are essentially 4 . same . Hematite rock / iron ore originated during Precam- brian times . 5. Effect of metamorphism is not significant in the Iron ore Group . 6. The sedimentogenic structures ( such as ...
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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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