Records of the Geological Survey of India, Volume 125, Parts 6-8Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 26
... granite Pink , leuco - and epidotised - granite . Medium to fine grained mesocratic granite . Porphyritic granite , quartzo - feldspathic veins . Biotite muscovite grey granite . Volcano - sedimentary sequence showing greenschist facies ...
... granite Pink , leuco - and epidotised - granite . Medium to fine grained mesocratic granite . Porphyritic granite , quartzo - feldspathic veins . Biotite muscovite grey granite . Volcano - sedimentary sequence showing greenschist facies ...
Page 95
... granite and metamorphites . The schist belt containing metabasalt intruded by batholithic granite body and Panjal volcanices suites of rocks in the north appear to be the possible source of Siwalik gold . INVESTIGATION FOR TIN AND ...
... granite and metamorphites . The schist belt containing metabasalt intruded by batholithic granite body and Panjal volcanices suites of rocks in the north appear to be the possible source of Siwalik gold . INVESTIGATION FOR TIN AND ...
Page 108
... Granite / Granite gneisses Soil No. of samples 10 ppm to 20 ppm No. of samples showing tungsten content < 100 ppm 100 ppm 2 34 90 15853 30 153 08 107 88 48 40 12 5 89393 90 153 Group of rocks are mainly present around Bilkhi , Sijahri ...
... Granite / Granite gneisses Soil No. of samples 10 ppm to 20 ppm No. of samples showing tungsten content < 100 ppm 100 ppm 2 34 90 15853 30 153 08 107 88 48 40 12 5 89393 90 153 Group of rocks are mainly present around Bilkhi , Sijahri ...
Contents
GEOLOGICAL MAPPING 1 to 58 | 8 |
Elucidation of structure stratigraphy and mineralisation potential | 18 |
MINERAL INVESTIGATIONS 61 to 88 | |
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alluvial Alluvium amphibolite anomaly Aravalli bands basalt basement basic basin bed rock belt Bijawar biotite block boreholes chlorite clay comprising conglomerate Deccan Trap deformation deposits depth dips district dolomite drill holes dykes Engineering Geology Division exposed fault field season flood plain flows folds foliation Formation fractures Ganga geochemical geological mapping Geologist Jr geophysical GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade grained granite granite gneiss granitoids grey Group indicated intrusive joints kmē lava limestone lineaments located MADHYA PRADESH MADHYA PRADESH Code magnetic MAHARASHTRA metamorphism mica schist mineral mineralisation Nagpur Narmada occur Older Alluvium pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Quaternary Rajasthan regional rhyolite river Sakoli samples sand sandstone scale schist sediments sequence shale shear zone Siwalik slope soil sq km stratigraphic studies sulphide Supergroup surface surveys terrace thick tion toposheet traversed trending tunnel ultramafic Unconformity upto Uttar Pradesh Varanasi Older volcanic