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 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 . . - quartz quartz Prospects of scheelite mineralisation have been loca ⚫ted 14 km north of Mt. Abu . The Sirohi Group of ...
... pegmatites as these show intense kaolinisation / greisenisation , a feature associated with tin mineralisation . . - quartz quartz Prospects of scheelite mineralisation have been loca ⚫ted 14 km north of Mt. Abu . The Sirohi Group of ...
Contents
PALAEONTOLOGY AND STRATIGRAPHY DIVISION | 8 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 14 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 21 |
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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