Category Archives: geology

Greigite, mineral of evil

Meet my palaeomagical nemesis.
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Categories: geology, geopuzzling, in the lab

Outcrops on the Interweb

Callan wonders if Google Maps (or, indeed, Google Earth) could be used to create a spatial directory of interesting geological localities: One thing that I found frustrating and limiting in my first few years of teaching was that there was … Continue reading

Categories: geology, public science

Imbrication and potholes in the Zebra River

Some background on Friday’s geopuzzle
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Categories: basics, geology, geopuzzling

Geopuzzle #4

These boulders are telling us something. What? For this one, I had the choice of a photo where the answer is quite subtle, and one where it’s pretty obvious. Being evil, I chose the former, and am holding the latter … Continue reading

Categories: geology, geopuzzling

Into the Bushveld #2: ‘Look at the size of that thing!’

The world’s biggest igneous intrusion is very large indeed…
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Categories: fieldwork, geology, volcanoes