News tagged with sedimentary rock

Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...

Oct 24, 2011 not rated yet 0

Greater tsunami threat identified

The shape of the seabed where the 2004 Sumatra earthquake struck may indicate that the strength of the underlying rocks added to the size of the resulting tsunami, according to new research.

Jun 21, 2011 3.5 / 5 (2) 0 | with audio podcast

Clues included in diamonds

A study of Brazilian diamonds by Earth scientists from the University of Bristol has found that tiny inclusions in the diamonds contain traces of oceanic crust and sedimentary rocks, formed originally on the ...

Oct 07, 2010 5 / 5 (4) 0