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

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 …

Kishtwar: three Himalayan first ascents by Siegrist, Senf and Abegglen

Mountain Beltway - AGU Blogosphere

WITHOUT editing: Mt Philistine via Diagonal Gully, Arthur's Pass

Tourists climb the Cloud Bridge, part of the Via Ferrata project, at the

Estimating uncertainties in 3-D models of complex fold-and-thrust

Mountain Beltway - AGU Blogosphere

Mountain Beltway - AGU Blogosphere

Beijing to Tokyo: The Great Wall & Mt Fuji in China, Asia - G

The Great Adventure - Gunther Holtorf's Epic 26-Year Journey

The Great Adventure - Gunther Holtorf's Epic 26-Year Journey Across 215 Countries — HER 86m2 - by Thuy Dao

Mount Siguniang Massif Mountaineering Information