Topic: Jackson School for Geosciences

Massive Geographic Change May Have Triggered Explosion of Animal Life

Nov. 3, 2014

[caption id="attachment_49037" align="alignright" width="300" caption="A new analysis from The University of Texas at Austin's Institute for Geophysics suggests a deep oceanic gateway, shown in blue, developed between the Pacific and Iapetus oceans immediately before the Cambrian sea level rise and explosion of life in the fossil record, isolating Laurentia from the supercontinent Gondwanaland. Credit: Ian Dalziel"] Ian Dalziel[/caption]

AUSTIN, Texas A paper by Ian Dalziel of The University of Texas at Austin's Jackson School of Geosciences, published in the November issue of Geology, a journal of the Geological Society of America, suggests a major tectonic event may have triggered the rise in sea level and other environmental changes that accompanied the apparent burst of life.

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Inaugural Energy Forum to Address Energy Issues Feb. 3-4, 2011

Dec. 20, 2010