Records of the Geological Survey of India, Volume 101The Survey, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 10
... dated around 1,000 million years ( Khairmalia amygdaloid , Crawford , 1968 ) . The " Chaibasa stage " of the " Iron - Ore Series " , later , identified to be a separate stratigraphic group ( Sarkar and Saha , 1962 ) and designated as ...
... dated around 1,000 million years ( Khairmalia amygdaloid , Crawford , 1968 ) . The " Chaibasa stage " of the " Iron - Ore Series " , later , identified to be a separate stratigraphic group ( Sarkar and Saha , 1962 ) and designated as ...
Page 94
... dated pegmatitic minerals which showed two episodes around 860 and 1,040 million years but threw no light on the stratigraphic position of the Delhi rocks . However , Crawford ( 1968 ) dated pre - Delhi and the oldest post - Delhi ...
... dated pegmatitic minerals which showed two episodes around 860 and 1,040 million years but threw no light on the stratigraphic position of the Delhi rocks . However , Crawford ( 1968 ) dated pre - Delhi and the oldest post - Delhi ...
Page 102
... dated Malani volcanics at about 750 million years . The phlogopites from Majhgawan Kimberlite , thought to be pre- Kaimur or post - Jhiri shale ( Rewa formation ) , have been dated by Compston ( in Crawford , 1968 ) and Crawford ( op ...
... dated Malani volcanics at about 750 million years . The phlogopites from Majhgawan Kimberlite , thought to be pre- Kaimur or post - Jhiri shale ( Rewa formation ) , have been dated by Compston ( in Crawford , 1968 ) and Crawford ( op ...
Contents
OF | 2 |
The Eastern Ghats Group by M V N Murthy | 15 |
The IronoreBengpalDharwar Group by S V | 43 |
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Andaman Aravalli Archaean Assam assemblages Banded Gneissic Complex basement basin belt Bengal boulder bed Cambrian charnockites Chatterji Chhattisgarh clays Coalfield Cong conglomerate correlation Cretaceous crystalline Cuddapah Delhi rocks deposits Dharwar district Eastern Ghats Eastern Ghats group Eocene facies faults fauna folds formations fossils G. S. I. report Gangpur Gansser Geol Geology Ghosh glacial gneisses Gondwana granite granulites Gupta Heron Himalayas indicate intrusives Iron-ore Jour Karewa Kashmir khondalites Krishnan limestone lithological Lower Malani mapping marine metamorphism metasediments migmatites Miocene Mysore occur Orissa orogeny overlain overlying Palaeozoic Paleocene Pascoe Peninsular India Permian phyllites Pinjor Pleistocene Pre-Cambrian Proc Purana quartzite Rajasthan recent region Riphean Sahni sandstone Sarkar Sastry schist sedimentary sediments sequence shales Simla Singhbhum Siwalik Spiti stratigraphic structural studies Surv Talchir tectonic Tertiary thrust Umaria unconformity unfossiliferous Upper Siwalik valley Vindhyan rocks Vindhyan system volcanics Wadia western zone