Records of the Geological Survey of India, Volume 119, Part 1government of India., 1984 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 65
... shear zones . Enrichment ( relative ) of gold has been detected in certain shear zones which are being taken up syste- matically for intensive exploration work , including drilling . An area of about 340 sq km was mapped systemati ...
... shear zones . Enrichment ( relative ) of gold has been detected in certain shear zones which are being taken up syste- matically for intensive exploration work , including drilling . An area of about 340 sq km was mapped systemati ...
Page 137
... Shear Zone ( Purulia district ) and Singhbhum Shear The geophysical survey was carried out by L. M. Das , S. Chakraborty and N. V. Rao along N - S road section between Mahulia - Hura across the Singh bhum Shear Zone with the aim of ...
... Shear Zone ( Purulia district ) and Singhbhum Shear The geophysical survey was carried out by L. M. Das , S. Chakraborty and N. V. Rao along N - S road section between Mahulia - Hura across the Singh bhum Shear Zone with the aim of ...
Page 272
... shear zones are present in both the horn- blende schist and ' Champion gneiss ' especially along their contacts . The shear zones are marked by the develop- ment of mylonite , quartz veins with varying amounts of pyrite and pronounced ...
... shear zones are present in both the horn- blende schist and ' Champion gneiss ' especially along their contacts . The shear zones are marked by the develop- ment of mylonite , quartz veins with varying amounts of pyrite and pronounced ...
Contents
PALAEONTOLOGY AND STRATIGRAPHY DIVISION | 8 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 14 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 21 |
Copyright | |
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amphibolite analysis anomaly bands basalt basin bed rock belt Bijawar biotite block boreholes Calcutta charnockite clay coalfield comprising Deccan Trap deposits dips Director district Divn dolomite drill cores drill holes dykes exploration exposed field season flows folds Formation fossils geochemical geological mapping Geologist Geology Division geophysical geotechnical investigation gneiss Gondwana grade granite granite gneiss grey Group of rocks Headquarters Hydel Project indicated intrusive km long Laboratory limestone line km located logging Madhya Pradesh magnetic Maharashtra mapped an area Meghalaya mica schist migmatites million tonnes mineral mineralisation Nagpur nala occurs pegmatites phyllite power house Pradesh quartz quartz veins quartzite Quaternary regional river rock types sand sandstone scale schist sediments sequence shale shear zone sheets Shri siltstone spillway sq km sq km area Srivastava strike length studies sulphide surface surveys thickness tion traverses trench trending tunnel valley varying Vindhyan West