Records of the Geological Survey of India, Volume 111, Part 2The Survey, 1982 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 113
... rock ( 2 ) Jaspilite ( 2 ) Phyl . shale ) Limestone Basal volcanic Highly altered mafic Highly altered mafic pile ... rock ( 2 ) ; Ferr . phyl . shale • Hematite rock ( 2 ) k ( 2 ) Į ❤ Alternate jasper & shale Jaspilite ( 1 ) Hematite ...
... rock ( 2 ) Jaspilite ( 2 ) Phyl . shale ) Limestone Basal volcanic Highly altered mafic Highly altered mafic pile ... rock ( 2 ) ; Ferr . phyl . shale • Hematite rock ( 2 ) k ( 2 ) Į ❤ Alternate jasper & shale Jaspilite ( 1 ) Hematite ...
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 117
... rock and so called iron ore are essentially same . 4. 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 same . 4. 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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amphibolite Andaman anomaly zone aquifer Archaean axis Baratang Baruipur basalt belt Bihar borehole boulder bed charnockites chlorite clays coal conglomerate copper Deccan Trap Delhi Deltaic Plain deposits depth dips dykes facies faults flysch folds foliation fractures geochemical Geol geological mapping Geological Survey geophysical gneiss Grade grained granite graphite Group hematite hematite rock horizon hot springs India indicated jaspilite Jhabua district joints Karewa Karnataka Koyna Laterite lavas lineation located lode Madhya Pradesh magnetic Mandsaur district manganese metamorphism metres mineralised minerals non-coking North Tirodi occur olivine pahoehoe pahoehoe flows Pakharpur Pawnia phenocrysts pits plagioclase Plate Precambrian quartz quartzite range red bole region ridge river samples sand sandy schist sedimentary sediments serpentinites shale Singhbhum soil steam stratigraphic structural sulphide surface Surv Survey of India Table tectonic thermal thickness traverse trend Turamdih area Unconformity Unpublished GSI Report upper upto Valley vertical weathered