28 February 2020

Friday fold: sandbox

Posted by Callan Bentley

The Friday fold is a lovely little sandbox analogue model by Prof. Marco Martins-Ferreira, who posted it on Twitter this week:

As deformation proceeds, you can see the layers develop folds that then morph into faults, shoving deeper layers atop more shallow strata. As a bonus, you can hear Marco’s baby cooing in the background!

Here’s a stabilized, sped-up version, courtesy of Anna Williams:

Happy Friday, all!