Category Archives: geology

50 minerals to see before you die

I’m not sure I’m really wise in jumping on this meme (started by Chuck and taken up by Hypocentre, Silver Fox and Callan), because I have a feeling I’m going to end up feeling a little inadequate; my heavy does … Continue reading

Categories: geology, rocks & minerals

Hydrogeology is hot!

Whilst transferring hemispheres, hydrogeologist Anne Jefferson has kindly provided another of her excellent guest posts. Close your eyes. (OK, maybe keep them open so you can read the rest of this post.) Imagine a geosciences specialty where there are lots … Continue reading

Categories: academic life, by Anne, geology, hydrology

Geopuzzle #14

This authors of the paper the figure below comes from claim that it’s a fossil of some kind: Do you agree? What do you think it is, and how old do you think it is?

Categories: fossils, geology, geopuzzling

Volcanoes triggering volcanoes?

There’s lots of volcanic action in the Aleutians arc at the moment, with three volcanoes: Okmok. Cleveland, and Kastochi, all erupting at various points in the last month or so. The Volcanism Blog and the Eruptions blog have both been … Continue reading

Categories: geology, volcanoes

More thoughts on illustrating geological time

What is the best way to plot the timescale? Mine, obviously…
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Categories: basics, deep time, geology