Category Archives: paper reviews

Where the Moon was at, 3.2 billion years ago

Posted on July 13, 2007 by Chris Rowan

It may not look particularly cosmic, but the rock below not only tells us that the Moon was present back in the Archean, but also that it was orbiting the Earth at a much closer distance than it is today.

Categories: Archean, geology, paper reviews, past worlds

Nuclear Seismology

Posted on May 18, 2007 by Chris Rowan

From ye olde blog, November 2006: A barely remembered anecdote, the buzz about the North Korean “nuclear” test, and a Web of Knowledge search combined to bring this paper up on my screen: Seismic tomographic inversion of Russian PNE data … Continue reading →

Categories: geology, geophysics, paper reviews

Algae and earthquake precursors

Posted on May 16, 2007 by Chris Rowan

From ye olde blog, May 2006: an interesting report from the BBC: Concentrations of the natural pigment chlorophyll in coastal waters have been shown to rise prior to earthquakes. These chlorophyll increases are due to blooms of plankton, which use … Continue reading →

Categories: earthquakes, geohazards, geology, paper reviews

Bumpy ice: proof of a Martian water cycle?

Posted on May 11, 2007 by Chris Rowan

Some interesting data from Mars Odyssey about the distribution of sub-surface ice on Mars were published in Nature last week by Joshua Bandfield at Arizona State University (see also here and here). Mars Odyssey had already detected the presence of … Continue reading →

Categories: geophysics, paper reviews, planets