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Deformation Processes PowerPoint Presentation
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evan-salazar

Deformation Processes - PowerPoint PPT Presentation

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Deformation Processes
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  1. Deformation Processes • As layered strata of rocks are compressed, they undergo folding. • Syncline – • the “trough” of a fold • Anticline • the “ridge” of a fold

  2. From Schmidt, Martin F. 1993 Maryland’s Geology. Tidewater Publishers, Centreville, MD.

  3. Frostburg and Cumberland Landsat Imagery courtesy of USGS

  4. Specialized folding structure: • Synclinal Ridge – a syncline that is resistant to weathering and erosion may form a ridge • Example: Sideling Hill

  5. 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.

  6. Plunging folds in Central Pennsylvania