Skip to Main Content
Skip Nav Destination

Profound short-lived events about the Permian/Triassic (P/Tr) boundary, determined here as 250 Ma, include (1) magmatic events: rapid eruption of the vast flood basalt of the Siberian Traps and the peak of convergent magmatism in the Gondwanaland province along the Panthalassan margin, represented in Australia by the Dundee/Emmaville Volcanics and in South America by the Choiyoi province; (2) paleoclimatic change: following the last ice-rafting dropstone in eastern Australia, an abrupt change from coal measures to redbeds in the Gondwanaland province; (3) biota extinctions: indicated by a minimum standing diversity of marine invertebrates and by the replacement of the Glossopteris flora...

You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Close Modal

or Create an Account

Close Modal
Close Modal