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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 …
Friday fauxld: liesegang banding at Giant City - Mountain Beltway - AGU Blogosphere
Total Eclipse April 8, 2024!, Fri, Apr 5, 2024, 3:00 PM
Mountain Beltway - AGU Blogosphere
Illinois Botanizer: Liesegang Banding in Southern Illinois
Calgary snapshot: BUMP (Beltline Urban Murals Project). – Flowery Prose
Mountain Wandering: Old Bridle Path: 1/11/23
Mountain Beltway - AGU Blogosphere
Friday fauxld: liesegang banding at Giant City - Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Festival du Voyageur gets $50K from province for Fort Gibraltar structural work after walkway collapse
Placentia bridge collapse
Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Illinois Botanizer: Liesegang Banding in Southern Illinois
