Records of the Geological Survey of India, Volume 112, Part 2government of India., 1983 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 69
... magnetite . In some rocks picotite and omite occur as long string like elongated grains , the grain boundaries of which are embayed and fractured . A fine film of sericite surrounds the picotite grains along the boundaries and fracture ...
... magnetite . In some rocks picotite and omite occur as long string like elongated grains , the grain boundaries of which are embayed and fractured . A fine film of sericite surrounds the picotite grains along the boundaries and fracture ...
Page 102
... magnetite body is reflected by : ( i ) enrichment of total Ni and Co , and Cr in magnetite compared to the underlying ultramafics ( Fig - 12 ) ; and ( ii ) decrease in Ni and Co towards the top of the magnetite body . It would appear ...
... magnetite body is reflected by : ( i ) enrichment of total Ni and Co , and Cr in magnetite compared to the underlying ultramafics ( Fig - 12 ) ; and ( ii ) decrease in Ni and Co towards the top of the magnetite body . It would appear ...
Page 4
... magnetite in a goethite matrix . 200px200p Photo 39. X - ray scanning for nickel . Magnetite is free of nickel . 200x200μ . Photo 40. X - ray scanning for Ni in the goethite matrix . 200μ x 200u . Photo 41. Chromite nodules in ...
... magnetite in a goethite matrix . 200px200p Photo 39. X - ray scanning for nickel . Magnetite is free of nickel . 200x200μ . Photo 40. X - ray scanning for Ni in the goethite matrix . 200μ x 200u . Photo 41. Chromite nodules in ...
Contents
Stratigraphic position of the Jungel Group of Central India | 7 |
Palaeontological Data System in the Geological Survey of India | 13 |
Chemical Behavior of Chromian Spinels from Ultrabasic Nodules | 21 |
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Assam assemblage associated axial plane basalts basin beds Burma Chattopadhyay chert chlorite chromite Clinopyroxene coal colour conglomerate correlation Crystalline cumulates deposits dinosaurs dipping Disang Group east Eastern Himalayas Eocene fault flysch folds Formation fossils gabbro Gansser Geol Geological Survey Ghosh Gondwana grains granite Group of rocks harzburgite Himalaya Indian plate Indo-Burma Jungel Group K-felspar Kashmir Lherzolite limestone lower mafic magnetite Manipur matrix metamorphic metaultramafites mineral Naga Hills Naga Hills Ophiolites Naga metamorphites Nagaland Nandy nodules occur oceanic olivine ophiolite ophiolite belt Ophiolite Suite orthopyroxene outcrops Parsoi peridotite Photo phyllite plagioclase Pradesh pyroxene quartz quartzite radiolarians range Records Vol Salumi sandstone sedimentary sediments Semri sequence serpentinite shale spinels Srikantia Stegosaurs stratigraphic suggest Surv Survey of India Suture tectonic Tertiary texture thickness tholeiitic thrust Titihidar Tr Tr Tr trend Ukhrul ultramafic unconformably Unpub Upper Cretaceous Vindhyan volcanics Zipu zone