geology

volcano science geology - 7156143616
Via Kottke
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This is an Icelandic waterfall called Litlanesfoss and the naturally occurring rock formation is columnar jointed basalt.
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earth geology science - 8351177216
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Via The Guardian:

A disparate group of experts from around the world will meet for the first time on Thursday for talks on what must rank as one of the most momentous decisions in human history.

The question confronting the scientists and other specialists is straightforward enough, even if the solution is far from simple. Is it time to call an end to the epoch we live in and declare the dawn of a new time period: one defined by humanity's imprint on the planet?
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