GeoSphere

Geology Photo of the Week #22

I have been posting a lot lately about the Yukon. So for a change of pace the photo for this week comes from Australia…about as far from the Yukon as it is possible to get. This is a photo looking down on a mat of stromatolites. They are the round shapes poking up through the limestone.

Stromatolites in the Flinders Ranges near Port Augusta, South Australia (Photo: Matt Herod)

Matt Herod is a Ph.D Candidate in the Department of Earth Sciences at the University of Ottawa in Ontario, Canada. His research focuses on the geochemistry of iodine and the radioactive isotope iodine-129. His work involves characterizing the cycle and sources of 129I in the Canadian Arctic and applying this to long term radioactive waste disposal and the effect of Fukushima fallout. His project includes field work and lab work at the André E. Lalonde 3MV AMS Laboratory. Matt blogs about any topic in geology that interests him, and attempts to make these topics understandable to everyone. Tweets as @GeoHerod.
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