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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 …
Festival du Voyageur gets $50K from province for Fort Gibraltar structural work after walkway collapse
Mountain Beltway - AGU Blogosphere
Greed is not a good thing': More than 50 protest Bill 23 in Midland - Midland News
Mountain Wandering: Old Bridle Path: 1/11/23
Giant City State Park, Illinois - Mountain Beltway - AGU Blogosphere
Fons Peak (Fountain Ridge) Steven's Peak-bagging Journey
Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Parents sue city, Festival du Voyageur for son's ongoing injuries, distress after Fort Gibraltar collapse – Winnipeg Free Press
Friday fold: Crumpled Carboniferous cyclothems - Mountain Beltway - AGU Blogosphere
Friday fauxld: liesegang banding at Giant City - Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Friday fold - or is it a fauxld? - Mountain Beltway - AGU Blogosphere
Friday fauxld: liesegang banding at Giant City - Mountain Beltway - AGU Blogosphere