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 …

Rocks, moss and muddy tree roots

Baldy N, E and W Sept 2, 2023 - Bill Kerr

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

Illinois Botanizer: Liesegang Banding in Southern Illinois

Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

Liesegang Banding near Garden of the Gods

Mountain Beltway - AGU Blogosphere

Friday fauxld: liesegang banding at Giant City - Mountain Beltway - AGU Blogosphere

Liesegang banding in Pennsylvanian sandstones, Bolt Mountain, West Virginia - Mountain Beltway - AGU Blogosphere

Liesegang banding in Pennsylvanian sandstones, Bolt Mountain, West Virginia - Mountain Beltway - AGU Blogosphere