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 262
... ilmenite . A few grains of rutile have tongues penetrating separate ilmenite grains . In sections rich in rutile , ilmenite grains are in places cut by rutile veinlets . Rutile also embays into ilmenite , separating a grain of ilmenite ...
... ilmenite . A few grains of rutile have tongues penetrating separate ilmenite grains . In sections rich in rutile , ilmenite grains are in places cut by rutile veinlets . Rutile also embays into ilmenite , separating a grain of ilmenite ...
Page 263
... ilmenite , and does not occur separately , away from such intergrowth ; ( 3 ) seams of hematite separate rutile bodies from ilmenite grains in places , but do not occur between two discrete ilmenite grains , or , as independent micro ...
... ilmenite , and does not occur separately , away from such intergrowth ; ( 3 ) seams of hematite separate rutile bodies from ilmenite grains in places , but do not occur between two discrete ilmenite grains , or , as independent micro ...
Page 264
... ilmenite , and Fe2O , is in excess . In sample 2 , FeO MnO is in excess over , that required for ilmenite , and may take part of Fe , O , as magnetite . X - ray analysis does not show magnetite or hematite in the analysed sample , and ...
... ilmenite , and Fe2O , is in excess . In sample 2 , FeO MnO is in excess over , that required for ilmenite , and may take part of Fe , O , as magnetite . X - ray analysis does not show magnetite or hematite in the analysed sample , and ...
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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