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Field work on active faults – wildlife edition

Today we went for field work again – mapping active faults in Northern Attica, trying to find out about offsets and slip rates, and scouting sites for applying Ground Penetrating Radar (GPR) later. We found some very beautiful fault scarps and measured a good number of strike and dip values. At two locations we also recorded topographic profiles across the scarps in order to get an idea about the vertical offset. Combined with the assumption that these scarps are post-glacial, we can estimate slip rates. Of course one needs to be sure that the visible fault scarp height is not affected by erosion or sedimentation, which would result in too high or too low values, respectively. And whether or not all the Mediterranean scarps are really post-glacial (means: developed since the last glacial maximum [LGM]) is another point to discuss.

This is a nice but wet fault scarp!

After all, today was a good day! We had some rain, which caught me as a surprise because I thought I would have 30° and sunshine all the time, but from earlier campaigns I should have known that sunny Greece can be cold, windy and rainy, too. So, we all were completely washed. Plus, we met some nice creatures. I like some of them, but to be honest, I am not angry if spiders keep a security distance. So field work is not only fighting the macchia and getting to know all the spiny plants, it’s also trying to avoid spiders, ants, and other nice little friends.

Sascha is fighting his way through the macchia.

I like you if you keep 3 m distance.

 

You can keep 4 m distance, please.

No more Mr Nice Guy. This turtle toirtoise tortoise was resting right on the fault plane!

An ant highway on the fault plane!

An ant highway on the hanging wall.

An ant nest being situated right on the track of our topographic profile.

A bunch of caterpillars hiding from the rain.

The older brother of the fault plane turtle tortoise turtle.

This snail slug tries to climb the fault gauge.

Goat attack on our rental car.

If there are no animals waiting for tasty geologists, there will be some spiny plants for sure.

Who cares about spiny stuff and tiny animals when you can see such beautiful scarps?

A nice view to Avlonas. Note the fault scarp in the foreground.

 

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Christoph Grützner

Christoph Grützner

works at the Department of Earth Sciences, University of Cambridge. He likes Central Asia and the Mediterranean and is looking for ancient earthquakes.

See all posts Christoph Grützner

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