Abstract

Global Geology 2016, 19(4) 255-276 DOI: ISSN: 1673-9736 CN: 22-1371/P

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	Keywords
	LIPs
	marine incursions
	Indian Block
	late Turonian-Narmada Basin Lineament
	Late Maastrici- tian-Subathu Dogadda Lineament
	Authors
	Syed A�� Jafar
	PubMed
	Article by Syed A�� Jafar

Episodes of subaerial Large Igneous Provinces (LIPs) linked to late Turonian/late Maastrichtian deep incursion of sea on the Indian continental block

Syed A�� Jafar

National Centre for Antarctic and Ocean ��esearch (NCAO��) Headland Sada��Vasco-da-Gama��Goa-403804��India

Abstract��

Late Cretaceous sea inundation of major continents��surprisingly did not affect Indian block except by two major subaerial events of Large Igneous Provinces (LIPs)�� Marion hotspot induced LIP of Mahajanga Flood Basalt (ca��92 Ma) in Madagascar triggered high intensity earthquake along Narmada Lineament and permitted a short lived marine transgression during late Turonian with spectacular estuarine deposits of limited thickness�� preserved as archive of“Greenhouse Climatic ��ecord”�� éunion hotspot induced LIP of Deccan Flood Basalt�� stretching from western to eastern India around ��ajahmundry area attracted worldwide attention for the unique fauna and flora preserved in the intertrappean beds straddling Cretaceous-Palaeogene boundary�� This massive subaerial LIP (ca�� 66Ma) permitted fairly deep penetration of sea along collision facing Subathu-Dogadda Line- ament during late Maastrichtian-Danian��but due to thick vegetation cover��tectonic disturbance and scarce out- crops the evidence is less straightforward than along Narmada rift��

Keywords�� LIPs marine incursions Indian Block late Turonian-Narmada Basin Lineament Late Maastrici- tian-Subathu Dogadda Lineament

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