Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1987 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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... fold ( F1 ) is mostly represented by root- less interfolial folds having a general NE - SW axial trend . The F , folds have a variable orientation and show develop- ment of folds on all scales . The F3 folds have a general E- W trend ...
... fold ( F1 ) is mostly represented by root- less interfolial folds having a general NE - SW axial trend . The F , folds have a variable orientation and show develop- ment of folds on all scales . The F3 folds have a general E- W trend ...
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... folds . F , developed as upright polyclinal warps . Base . of Iron Ore Stage is an erosional unconformity as evident from basal conglom- erate overlying Singhbhum Granite and Chakradharpur Granite , lower metamorphic grade and absence ...
... folds . F , developed as upright polyclinal warps . Base . of Iron Ore Stage is an erosional unconformity as evident from basal conglom- erate overlying Singhbhum Granite and Chakradharpur Granite , lower metamorphic grade and absence ...
Page 20
... folds have gentle northerly plunge . Apart from these major folds , a number of minor folds ( chevron type ) and warps are observed in the finer sedimentary units . A number of faults have shifted and altered the lithocontacts , axes of ...
... folds have gentle northerly plunge . Apart from these major folds , a number of minor folds ( chevron type ) and warps are observed in the finer sedimentary units . A number of faults have shifted and altered the lithocontacts , axes of ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
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amphibolite AMSE Wing analysis Andaman anomalies assemblage bands Barakar Barakar Formation Barren Measures basin belt Bihar biotite block boreholes Calcutta clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores correlation deposits depth district Division-II drilling dykes Eastern Engineering Geology evaluation exploration fault Feasibility stage folds geochemical geological mapping Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grained granite granite gneiss grey Group heavy minerals horizon indicated Irrigation LANDSAT limestone lineaments located magnetic metamorphic mica migmatites mineralisation NW-SE occur Orissa pegmatite phyllite PRADESH quartz quartzite Raniganj Raniganj Formation regional river sand sandstone scale schist seam zones sector sediments shale shear zone Shillong sillimanite Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation Stratigraphy strike length structure surface Survey of India thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal