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Friday fauxld: liesegang banding at Giant City - Mountain Beltway

Friday fauxld: liesegang banding at Giant City - Mountain Beltway

Today, the Friday fold is a fake! Looks like a nice set of asymmetric antiforms and synforms, right? But it ain’t! It’s naturally wiggly; primary not tectonic. The photo shows nothing more than differential erosion of hematite that was deposited by groundwater in permeable sandstone. It’s Liesegang banding! These hematite blobs are in the sandstone at Giant City State Park, south of Carbondale, Illinois. Several are cylindrical in form, presumably …

Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

Ontario's Bradford Bypass will not undergo a federal review

Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

Liesegang rings in a natural sandstone tile - Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

That doesn't look right': Neighbour intervenes after seeing man lift package from doorstep

Illinois Botanizer: Liesegang Banding in Southern Illinois

At Fairy Creek, a war in the woods as police seek more power to clear blockades - The Globe and Mail

Mountain Beltway - AGU Blogosphere