Records of the Geological Survey of India, Volume 112, Parts 2-5Government of India, 1979 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 7
... granite gave a K / Ar date of 1974 Ma , but a whole rock gave a Rb / Sr Isochron of 318085 Ma . With regard to the age of the Singbhum Granite mass , the view first expressed by Iyengar and Alwar ( 1965 ) that the Singhbhum Granite was ...
... granite gave a K / Ar date of 1974 Ma , but a whole rock gave a Rb / Sr Isochron of 318085 Ma . With regard to the age of the Singbhum Granite mass , the view first expressed by Iyengar and Alwar ( 1965 ) that the Singhbhum Granite was ...
Page 8
... granite in the Rampahari Granite of the Mayurbhanj district at the eastern end . Subsequent to the emplacement of the Bonai granite the younger basins viz . , the Gangpur , the Kunjar and the Kolhan , were developed within the northern ...
... granite in the Rampahari Granite of the Mayurbhanj district at the eastern end . Subsequent to the emplacement of the Bonai granite the younger basins viz . , the Gangpur , the Kunjar and the Kolhan , were developed within the northern ...
Page 9
... granites are traced within sheared gneisses ; the granite bodies are collectively oriented parallel to the ENE - ESE direction ( Fig . ) . The significant feature of the geological set - up of the area is that , while the gneisses in ...
... granites are traced within sheared gneisses ; the granite bodies are collectively oriented parallel to the ENE - ESE direction ( Fig . ) . The significant feature of the geological set - up of the area is that , while the gneisses 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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Arunachal Assam assemblage axial bands Barail barytes basaltic basin beds belt borehole Chalk Hills chert chlorite chromite clay clinopyroxene coal coalfield colour conglomerate Cretaceous Cuddapah deposits depth Dhanjori diamictite dipping district dolerite dunite dykes east Eastern Eocene Eurydesma facies fault fauna folds Formation fossil fractures Gangpur garnet Garo Hills Geol Geological Survey gneisses Gondwana grains granite Himalaya hornblende India indicate Jaintia Jungel laterite limestone lower magnetite Manipur Meghalaya metamorphic metres mineralisation minerals Miocene Naga Hills Nagaland occur olivine ophiolite outcrops peridotite phyllite plagioclase Plate Pradesh present pyroxene quartz quartzite range recorded region rocks samples sand sandstone schist seam sedimentary sediments sequence shale shear spinels stratigraphic structures studies sulphide Surma Surv Survey of India tectonic Tertiary texture thickness tion traverse trend ultrabasic ultramafic Unconformity Unpublished GSI Report Upper upto uranium veins volcanics zone