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 67
... pegmatites traversing the granites are also observed . In Bodevada block there are 3 pegmatites varying in width from 5 m to 20 m and extend over 1 km in aggre- gate strike length . The pegmatites are zoned and associa- ted with ...
... pegmatites traversing the granites are also observed . In Bodevada block there are 3 pegmatites varying in width from 5 m to 20 m and extend over 1 km in aggre- gate strike length . The pegmatites are zoned and associa- ted with ...
Page 68
... pegmatites , quartz veins and dolerite dykes . Tin mineralisation occurs as discrete crystals and fine disseminations of cassiterite in the pegmatite , mostly emplaced in the basic rocks . However , in the adjoining area viz ...
... pegmatites , quartz veins and dolerite dykes . Tin mineralisation occurs as discrete crystals and fine disseminations of cassiterite in the pegmatite , mostly emplaced in the basic rocks . However , in the adjoining area viz ...
Page 319
... pegmatites as these show intense kaolinisation / greisenisation , -a feature associated with tin mineralisation . Prospects of scheelite mineralisation have been loca- ted 14 km north of Mt. Abu . The Sirohi Group of metasediments of ...
... pegmatites as these show intense kaolinisation / greisenisation , -a feature associated with tin mineralisation . Prospects of scheelite mineralisation have been loca- ted 14 km north of Mt. Abu . The Sirohi Group of metasediments of ...
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