Records of the Geological Survey of India, Volume 110Geological Survey of India, 1978 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 16
... thickness of over 20 km . They are sub - divided into the Lower and Upper Proterozoic formations . The Lower Proterozoic rocks are developed in the massifs other than Ana- bar , parts of Aldan and Eastern Sayan , upto about 10 to 12 km ...
... thickness of over 20 km . They are sub - divided into the Lower and Upper Proterozoic formations . The Lower Proterozoic rocks are developed in the massifs other than Ana- bar , parts of Aldan and Eastern Sayan , upto about 10 to 12 km ...
Page 192
... thickness may suggest that the original basin floor was undulatory . Shortly after the formation of the Basal Subgroup of sediments the stability of the basin was disturbed as is evidenced by the presence of volcaniclastic sediments ...
... thickness may suggest that the original basin floor was undulatory . Shortly after the formation of the Basal Subgroup of sediments the stability of the basin was disturbed as is evidenced by the presence of volcaniclastic sediments ...
Page 196
... thickness of about 300 metres . In Phe and Thongde areas as many as 15 flows can be distinguished . These flows vary in thickness from 2 to 15 metres and are generally lenticular in shape . The trend of the volcanics belt coincides with ...
... thickness of about 300 metres . In Phe and Thongde areas as many as 15 flows can be distinguished . These flows vary in thickness from 2 to 15 metres and are generally lenticular in shape . The trend of the volcanics belt coincides with ...
Contents
RECORDS | 1 |
Recent advances in our knowledge of the Pakhal Supergroup with | 39 |
Precambrian geology of eastern India between the Ganga and | 60 |
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Common terms and phrases
amphibolite anorthosite Archaean arkose assemblage Banerjee basal basin beds belt Bihar charnockites Chatterjee Chhotanagpur clay conglomerate correlation Cuddapah Dalma deformation Deolond deposits Dhanjori district Dolerite dolomite Dunn Eastern fauna fold formations fossils Gangpur garnet Geol Cong Geol Soc Ind Geol Surv Ind Geological Survey geologists glauconite gneisses Godavari valley Gondwana Govindgarh granite granite gneiss granulite facies heavy mineral Himalayas Hooghly Ind Miner India Indian shield Int Geol intrusive Iron Ore Group Iyengar Kaimur Kashmir lavas limestone lithological Mallampalli Mallik marine Mem Geol metamorphic Mulug Noamundi occur offshore Orissa outcrop Pakhal Pal Ind palaeontology phyllites Plate Porcellanite Pradesh Precambrian Precambrian rocks Proc Proterozoic quartz quartzite Rec Geol Surv region Rewa rift samples sand Sandstone Sarkar and Saha Sastry schists sedimentary sediments sequence Shale shear zone Singhbhum Singhbhum granite stratigraphic structures studies suggested Sullavai SURVEY OF INDIA tectonic thickness ultramafic unconformity Vindhyan younger