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You are browsing the archive for 2017 May.

3 May 2017

Storm beaches have I loved

The answer to yesterday’s geo-puzzle is revealed to be a storm deposit of boulders, 20 m above sea level!

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Geopuzzle: what’s going on here?

Fancy taking a guess? Answers tomorrow…

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2 May 2017

Leafing out to bring down CO2

It’s getting green outside – what’s it mean for the planet? Find out in this blog post contemplating the relationship between spring leaves and atmospheric CO2.

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1 May 2017

Accretionary lapilli from Archean volcanic eruptions

Volcanic “hailstones” called accretionary lapilli rained down on South Africa 3 billion years ago, and have survived to be seen in the present day, along the R40 road through Barberton Mountain Land, near the Bulembu border crossing into Swaziland.

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