Folded pegmatite dike in slateFolded pegmatite in slate, likely caused by dissolution of the slate. Note the cleavage planes in the slate are parallel to the axial surface of the fold. Southern British Columbia. Hamm
Overturned folds on mountainside, Waterton Lakes National Park,Overturned syncline (above) and anticline (below) on mountainside, Waterton Lakes National Park, Alberta, Canada.
Folded radiolarian chert, Oregon.Folded radiolarian chert, Oregon. These rocks belong to the Jurassic Otter Point Formation. Photo is about 15 meters across.
Asymmetric anticline and syncline in limestone, Mt. Kidd, AlbertAsymmetric anticline and syncline in limestone, Mt. Kidd, Alberta. These folds are fault-propagation folds, as they formed at the termination of the Lewis thrust.
Overturned anticline and syncline in radiolarian chert, CalifornFolded beds of Jurassic-Cretaceous age radiolarian chert, Marin Headlands, California. Photo is about 2 meters across.