Category Archives: past worlds

Earth’s forgotten youth – and beyond

Posted on March 16, 2010 by Chris Rowan

A new attempt to map out the events of early earth history.
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Categories: deep time, geology, paper reviews, past worlds

Neoproterozoic signs of life

Posted on February 12, 2010 by Chris Rowan

Whilst the the dawn of the Cambrian clearly marked the diversification of mobile, active animals and biomineralisers, the story of their first origins appear to have begun much earlier.
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Categories: fossils, geology, paper reviews, past worlds, Proterozoic

11 terranes amalgamating

Posted on January 4, 2010 by Chris Rowan

On the 11th day of Christmas my true love sent to me…
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Categories: geology, Palaeozoic, past worlds, tectonics

The amazing disappearing asymmetric magnetic reversals

Posted on November 11, 2009 by Chris Rowan

Weird field behaviour in the Neoproterozoic vanishes when you add more data to the mix.
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Categories: geology, geophysics, palaeomagic, past worlds, Proterozoic

Lots of oxygen on the Archean Earth?

Posted on September 2, 2009 by Chris Rowan

New evidence for the early evolution of photosynthesis: was the early Earth really as oxygen-free as we think it was?
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Categories: Archean, geochemistry, geology, paper reviews, past worlds, rocks & minerals