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 249
... manganese . This rock sometimes grades into highly siliceous manganese - ore with manganese content of 20-30 per cent . The iron con- tent in such deposits is very low . In several places stringers and lenses of comparatively pure manganese ...
... manganese . This rock sometimes grades into highly siliceous manganese - ore with manganese content of 20-30 per cent . The iron con- tent in such deposits is very low . In several places stringers and lenses of comparatively pure manganese ...
Page 259
... manganese- ores occur as nodules and disseminations in kaolin - rich manganiferous khondalites . DEPOSITS NORTH OF NISHKHAL Kinchkhal . - About one kilometre south ... manganese- PART 2 ] 259 MURTHY & GOKUL : Manganese - ore of Kalahandi.
... manganese- ores occur as nodules and disseminations in kaolin - rich manganiferous khondalites . DEPOSITS NORTH OF NISHKHAL Kinchkhal . - About one kilometre south ... manganese- PART 2 ] 259 MURTHY & GOKUL : Manganese - ore of Kalahandi.
Page 260
... manganese content of the ore is about 40 per cent . Dulki . - There are numerous occurrences of manganiferous khondalites with minor concentrations of manganese - ore around Dulki ( 19 ° 16 ′ 83 ° 11 ' ) . Among these , lenses and ...
... manganese content of the ore is about 40 per cent . Dulki . - There are numerous occurrences of manganiferous khondalites with minor concentrations of manganese - ore around Dulki ( 19 ° 16 ′ 83 ° 11 ' ) . Among these , lenses and ...
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