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 …
Mount Siguniang Massif Mountaineering Information
Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
Tourists climb the Cloud Bridge, part of the Via Ferrata project, at the
Kishtwar: three Himalayan first ascents by Siegrist, Senf and Abegglen
Estimating uncertainties in 3-D models of complex fold-and-thrust
A snowy fairyland in western China - CGTN
Mountain Beltway - AGU Blogosphere
Mountain Beltway - AGU Blogosphere
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Photos & News: Special trip photos - Zhangye Danxia Landform
