Records of the Geological Survey of India, Volume 119, Part 1government of India., 1989 - 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- An area of about 340 sq km was mapped systemati - matically for intensive exploration work , including drilling ...
... shear zones . Enrichment ( relative ) of gold has been detected in certain shear zones which are being taken up syste- An area of about 340 sq km was mapped systemati - matically for intensive exploration work , including drilling ...
Page 137
... Shear Zone ( Purulia district ) and Singhbhum Shear Zone : 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 ...
... Shear Zone ( Purulia district ) and Singhbhum Shear Zone : 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 ...
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
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 32 |
RESEARCH AND DEVELOPMENT DIVISION | 41 |
MAP COMPILATION PUBLICATION AND INFORMATION DIVISION | 48 |
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amphibolite analysis Andhra Pradesh anomaly Asstt bands Banerjee basalt basin bed rock belt Bijawar biotite block boreholes Calcutta Chakraborty charnockite chemical clay coal comprising covered Deccan Trap deposits depth dips Director district DIVISION Headquarters Divn dolomite dykes exploration exposed field season folds Formation fossils geochemical geological mapping Geologist Jr Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grade granite gneiss grey Gupta Hyderabad indicated Jaipur Kumar Laboratory limestone line km located logging Lucknow magnetic mica schist million tonnes mineral mineralisation Mishra Mukherjee Nagpur occurs pegmatites phyllite power house Pradesh quartz quartz veins quartzite Quaternary Rajasthan Regional river rock types S.T.A. Geology S/Shri sand sandstone scale schist seams sediments shale Sharma shear zone sheets Shillong Shri siltstone Singh spillway sq km sq km area Srivastava strike length studies sulphide surface surveys thickness tion traverses trench trending tunnel