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    Fold systems

    • File:DNR_GS_Fold_System.pdf
      Description:PDF file
      MIME type:application/pdf
      File Size:236.9Kb
    Author
    South Carolina Geological Survey
    Subject
    Folds (Geology)
    Anticlines and synclines can take on many different geometries. They can be either open tight, or isoclinal in shape. The tighter the folds, the more intense the stress (compression) that caused folding. Folds can also be symmetric or asymmetric, upright or overturned, curved or cornered. A fold “knocked” on its side is called recumbent. Folds don‛t have to be perfectly horizontal, often folds are not, because of twisting and tilting, and they can plunge into the Earth at an angle. Folds occur on all scales. Some are small enough to be contained in a hand-held rock specimen. Others cover large areas, so large that they can be seen from miles away. When we slice into a fold at a “road slopecut” for a highway, fold types are often easily identified by the distorted marker horizons. The fold patterns observed along the surface are also clues to the existence and type of fold that may be beneath the surface.
    URI
    http://hdl.handle.net/10827/23727
    Collections
    • South Carolina Geological Survey Documents
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    Date
    2005
    Metadata
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    Date Accessioned2017-02-17T15:26:05Z
    Date Available2017-02-17T15:26:05Z
    Item Formatapplication/pdf
    Media TypeDocument
    Item LanguageEnglish
    PublisherSouth Carolina State Library
    Digital CollectionSouth Carolina State Documents Depository
    RightsCopyright status undetermined. For more information contact, South Carolina State Library, 1500 Senate Street, Columbia, South Carolina 29201.
    TypeText
    Digitization SpecificationsThis South Carolina State Document was either saved from a document available publicly online in PDF format or converted to PDF using Adobe Acrobat DC.
    

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