Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Algal Stromatolites from Kaladgi Group Around Biligi, Bijapur District, Karnataka


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1 Department of Geology, Manasa Gangotri, Mysore 570006, India
     

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Stromatolite bearing dolomites are exposed around Tolmatti and Hodlur near Biligi (Lat 16°21', Long 75°37'). Collenia sp.; branched Collenia, Collenia Columnaris, Collenia symmetrica and Oncolites have been identified in Tolmatti Formation of Kaladgi Group.

The specific characters like gross form of colonies, nature and size of laminae, disposition of laminations, differences in fabric of stromatolites and associated dolomites, physico-chemical conditions prevailing during the formation of stromatolites and the role of physiological and biochemical factors in the initiation and development of algal structures are discussed.


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  • Algal Stromatolites from Kaladgi Group Around Biligi, Bijapur District, Karnataka

Abstract Views: 188  |  PDF Views: 2

Authors

M. N. Viswanathiah
Department of Geology, Manasa Gangotri, Mysore 570006, India
T. R. Sreedhara Murthy
Department of Geology, Manasa Gangotri, Mysore 570006, India

Abstract


Stromatolite bearing dolomites are exposed around Tolmatti and Hodlur near Biligi (Lat 16°21', Long 75°37'). Collenia sp.; branched Collenia, Collenia Columnaris, Collenia symmetrica and Oncolites have been identified in Tolmatti Formation of Kaladgi Group.

The specific characters like gross form of colonies, nature and size of laminae, disposition of laminations, differences in fabric of stromatolites and associated dolomites, physico-chemical conditions prevailing during the formation of stromatolites and the role of physiological and biochemical factors in the initiation and development of algal structures are discussed.