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 Fe2O3 as magnetite . X - ray analysis does not show magnetite or hematite in the analysed sample , and the ...
... ilmenite , and Fe2O , is in excess . In sample 2 , FeO MnO is in excess over , that required for ilmenite , and may take part of Fe2O3 as magnetite . X - ray analysis does not show magnetite or hematite in the analysed sample , and the ...
Contents
GEOLOGICAL SURVEY OF INDIA | 190 |
STRUCTURE | 200 |
SUMMARY AND CONCLUSIONS | 209 |
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amphibole amphibole bearing quartzites amphibolites amygdaloidal aperture Balasore banded magnetite-hematite quartzites basalts beds biotite calcite cent chambers chondrules colour convolute laminations Cretaceous Deccan Traps deposits 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 gneisses grade grains granites grey quartzites heavy mineral hematite hornblende ilmenite intergrowth Kalahandi kilometres kyanite length Lenticulina limestone magnetite manganese content manganese-ore manganiferous khondalite Marginulina massive trap meta-intrusives meta-sediments metamorphism metres metres long metres wide Nishkhal occur old dunes olivine opaques outcrop pebbles phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Reuss ridge rutile samples sand dunes schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha Subarnarekha river Survey of India sutures thickness thin trend Utatur stage veins vesicles vesicular trap white gritty quartzites width Yerabali zircon