Records of the Geological Survey of India, Volume 94The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 190
... dykes and massive sills . These were then subjected to orogenic movements which formed a doubly plung- ing syncline which was later refolded into an anticline . During these movements the sediments were not only metamorphosed to ...
... dykes and massive sills . These were then subjected to orogenic movements which formed a doubly plung- ing syncline which was later refolded into an anticline . During these movements the sediments were not only metamorphosed to ...
Page 198
... dykes The main dolerite dyke which cuts through all the formations of the area in roughly north - south direction is 9 to 12 metres wide except at 0.5 km . due west of 1514 ridge , where it becomes 60 metres wide . It branches off in ...
... dykes The main dolerite dyke which cuts through all the formations of the area in roughly north - south direction is 9 to 12 metres wide except at 0.5 km . due west of 1514 ridge , where it becomes 60 metres wide . It branches off in ...
Page 215
... dykes have usually a W.N.W.-E.S.E. strike , but a few of those to the north of Khambha have a N.E.- S.W. strike . Some of these basic dykes are quite long , extending over many kilometres . Thus the dyke running about 650 metres south ...
... dykes have usually a W.N.W.-E.S.E. strike , but a few of those to the north of Khambha have a N.E.- S.W. strike . Some of these basic dykes are quite long , extending over many kilometres . Thus the dyke running about 650 metres south ...
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Common terms and phrases
Ajanta Caves amphibole amphibole bearing quartzites amygdaloidal assemblage Balasore Balasore coast basalts beds biotite calc-silicate rocks calcite cent chambers chondrules Coarse colour convolute laminations Cretaceous crystals Deccan Traps dipping district dolerites dune sands dykes east enstatite felspar ferruginous Figured specimen flows folds foraminifera formations G.S.I. Type garnet Genus Geol Geological Geologist Gir forest grade grains granites heavy mineral hematite hills hornblende ilmenite intergrowth kilometres kyanite length Lenticulina limestone magnetite manganese manganese content manganiferous khondalite Marginulina massive trap meta-sediments metamorphism meteorite metres metres long metres wide nala Nishkhal north-west occur old dunes olivine opaques Orissa outcrop phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Rajasthan Reuss ridge rutile samples sand dunes Sastry schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha river Surv sutures thickness thin trend Trichinopoly Utatur stage veins vesicles vesicular trap width zircon