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 197
... seen altering to serpentine . The opaque mineral is mainly magnetite . Granites and gneisses The granites and gneisses form the country rock surrounding the land of meta - sediments of the Yerabali area . Within the meta - sediments ...
... seen altering to serpentine . The opaque mineral is mainly magnetite . Granites and gneisses The granites and gneisses form the country rock surrounding the land of meta - sediments of the Yerabali area . Within the meta - sediments ...
Page 199
... seen in almost all the rock types of the area . They have been formed along steep dipping joints which have a strike N.60 ° E. - S.60 ° W . ( Fig . 2 ) . N + 17 POLES OF VEINS ON LOWER HEMISPHERE OF A SCHMIDT NET . Fig . 1 RECENT Sands ...
... seen in almost all the rock types of the area . They have been formed along steep dipping joints which have a strike N.60 ° E. - S.60 ° W . ( Fig . 2 ) . N + 17 POLES OF VEINS ON LOWER HEMISPHERE OF A SCHMIDT NET . Fig . 1 RECENT Sands ...
Page 250
... seen fringing small vein networks of manganese - ore and replacing quartz grains . Garnets which are occasionally seen in the rock are cut by veins of manganese - ore along cracks . Mineralogy . The mineralogy of the ores is not yet ...
... seen fringing small vein networks of manganese - ore and replacing quartz grains . Garnets which are occasionally seen in the rock are cut by veins of manganese - ore along cracks . Mineralogy . The mineralogy of the ores is not yet ...
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