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Deformation Processes • As layered strata of rocks are compressed, they undergo folding. • Syncline – • the “trough” of a fold • Anticline • the “ridge” of a fold
From Schmidt, Martin F. 1993 Maryland’s Geology. Tidewater Publishers, Centreville, MD.
Frostburg and Cumberland Landsat Imagery courtesy of USGS
Specialized folding structure: • Synclinal Ridge – a syncline that is resistant to weathering and erosion may form a ridge • Example: Sideling Hill
Folding • Synclines and anticlines can be plunging • Plunging means that the axis of the fold is not level (horizontal) • Unique landforms: From Schmidt, Martin F. 1993 Maryland’s Geology. Tidewater Publishers, Centreville, MD.