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 205
... strike N.30 ° E. - S.30 ° W . and plunges about 30 ° to 40 ° towards N.30 ° E . Time interval between the two foldings is difficult to determine . How- ever , the later folding was prior to the intrusion of the dolerite dyke which has ...
... strike N.30 ° E. - S.30 ° W . and plunges about 30 ° to 40 ° towards N.30 ° E . Time interval between the two foldings is difficult to determine . How- ever , the later folding was prior to the intrusion of the dolerite dyke which has ...
Page 248
... strike changes to west , W.S.W. and then abruptly to S.S.E. and south - east making an irregular U - turn around a ' core ' of quartzite outcrop . The strike and outcrop features here possibly represent a tightly refolded structural ...
... strike changes to west , W.S.W. and then abruptly to S.S.E. and south - east making an irregular U - turn around a ' core ' of quartzite outcrop . The strike and outcrop features here possibly represent a tightly refolded structural ...
Page 249
... strike of individual ore - bodies is also a common feature . The chief impurity in such ores is iron - oxide . The best The chocolate - coloured or pinkish host rock contains anything up to 11 per cent . manganese . This rock sometimes ...
... strike of individual ore - bodies is also a common feature . The chief impurity in such ores is iron - oxide . The best The chocolate - coloured or pinkish host rock contains anything up to 11 per cent . manganese . This rock sometimes ...
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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