Orogeny

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Geologic provinces o the warld (USGS)
  Shield
  Orogen
  Basin
  Extendit crust
Oceanic crust:
  0–20 Ma
  20–65 Ma
  >65 Ma

Orogeny refers tae forces an events leading tae a lairge structural deformation o the Yird's lithosphere (crust an uppermaist mantle) due tae the engagement o tectonic plates. Response tae such engagement results in the furmation o lang tracts o heichly deformed rock cried orogens or orogenic belts. The wird "orogeny" comes frae the Greek (oros for "muntain" plus genesis for "creation" or "origin"),[1] an it is the primary mechanism bi which muntains are biggit on continents. Orogens develop while a continental plate is crumpled an is pushed upwards tae furm muntain ranges, an involve a great range o geological processes collectively cried orogenesis.[2][3]

References[eedit | eedit soorce]

  1. Chambers 21st Century Dictionary. Allied Publishers. 1999. p. 972. ISBN 978-0550106254. Retrieved 27 June 2012. 
  2. Tony Waltham (2009). Foundations of Engineering Geology (3rd ed.). Taylor & Francis. p. 20. ISBN 0-415-46959-7. 
  3. Philip Kearey, Keith A. Klepeis, Frederick J. Vine (2009). "Chapter 10: Orogenic belts". Global Tectonics (3rd ed.). Wiley-Blackwell. p. 287. ISBN 1-4051-0777-4.