Tag Archives: weird geology

Weird rocky exoplanets

Posted on November 23, 2021 by Chris Rowan

Obtaining the composition of rocky exoplanets from the spectral signature produced when their dying parent star eats them is already pretty mind-blowing. But the results – which suggest that on some of these worlds, quartz is substituted for olivine in their … Continue reading →

Categories: geology, planets, rocks & minerals

New at Erratics: Chalk is weird

Posted on May 23, 2011 by Chris Rowan

The theme for the upcoming Accretionary Wedge is ‘weird geology’. In his contribution, Simon Wellings takes a look at what might superficially appear to be an unlikely subject: the chalk that forms the rolling hills of southern England: No texture, … Continue reading →

Categories: links, rocks & minerals