Records of the Geological Survey of India, Volume 112, Part 3government of India., 1977 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 45
... grains show strain effect . Small recrystallised quartz grains occupying interspace of quartz porphyroclasts show straight / irregularly interlocked polycrystalline grain boundaries . At places , the interlocked aggregates appear as ...
... grains show strain effect . Small recrystallised quartz grains occupying interspace of quartz porphyroclasts show straight / irregularly interlocked polycrystalline grain boundaries . At places , the interlocked aggregates appear as ...
Page 45
... grains occur both as porphyroclasts and as minute grains in the inter- stices of large grains with little or no preferred orientation . Coarse polygonal pyrite - chalcopyrite without any effect of deformation occur in association with ...
... grains occur both as porphyroclasts and as minute grains in the inter- stices of large grains with little or no preferred orientation . Coarse polygonal pyrite - chalcopyrite without any effect of deformation occur in association with ...
Page 76
... grains . Plagioclases are sericitised along grain margins and fractures . Near the wall of the dyke , the plagioclase shows corroded and irregular grain boundaries and wavy extinction . The pyroxene is augite with 300-35o extinction ...
... grains . Plagioclases are sericitised along grain margins and fractures . Near the wall of the dyke , the plagioclase shows corroded and irregular grain boundaries and wavy extinction . The pyroxene is augite with 300-35o extinction ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern GangpurBonaigarh Region Sundargarh | 13 |
Copyright | |
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analysis andradite anomaly average axial plane Badampahar bands basin bauxite bedding Bihar biotite calc-gneiss chalcopyrite channel chlorite cleavage Colliery conglomerate Dalma deformation deposits Dhanjori epidiorite district dolerite dolerite dykes eastern epidiorite epidote F₁ facies fold fossils fractures fuchsite galena Gangpur Gangpur Group Geol Geological Survey geophysical Ghatsila gibbsite gneiss grains granite gneiss gravity Group-II rocks Hazaribagh hornblende indicate kaolinite Karharbari Formation Keonjhar Khola Kusunda laterite lavas limb lineation massive garnet metamorphic metasedimentary belt metres mica schists mineralisation minerals muscovite Nausahi Nayadih Kusunda occur Orissa pegmatite phyllite plagioclase Plate plunging quartz quartzite Raghunathpali Rajgir Rangpo Records regional resistivity samples sand sandstone saprolite Sarkar scale schist schistose sedimentary sediments sequence sericite shales shear shows Simlipal Singhbhum skarn stowed stress structures sulphide Sundargarh District Surv Survey of India syncline synformal textural thickness TRAV traverse trend ultrabasic rock unstowed volcanics Volume