Types of Folds Geology

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  • 1. FOLDSAdrián Hernández Iranzo
  • 2. INDEX1.-Definition…………..2.-Tipes ……………...3.-Parts of a Fold……..4.-Examples…..............5.-Make your own Fold6.-Process of formation
  • 3. DEFINITIONFolds are curves which are like an alternation ofconvex and concave waves. For geometrical point ofview, the concave areas are called synclinal and theconvex areas anticlinal. Folds are create by tensionstresses.
  • 4. TIPESThey are two types: Anticline fold Syncline fold
  • 5. ANTICLINE FOLDLinear, strata normally dip away from axialcenter, oldest strata in center.
  • 6. EXAMPLENorthcott Mouth http://www.flickr.com/photos/wyojones/galleries/72157622540465016
  • 7. SYNCLINE FOLDLinear, strata normally dip toward axial center,youngest strata in center.
  • 8. EXAMPLESomiedo Nappe, Asturias
  • 9. PARTS OF A FOLD Hinge Line-Charnellahttp://belmont.sd62.bc.ca/teacher/sw_esc11/unit12.htm
  • 10. EXAMPLESHere we can see a clearexample of a syncline andantycline fold in a cutting section of a road.
  • 11. MAKE YOUR OWN FOLD I have found on internet this drawings to print.http://www.fault-analysis-group.ucd.ie/papermodels/models/folds.html
  • 12. MAKE YOUR OWN FOLD I have found on internet this drawings to print.http://www.fault-analysis-group.ucd.ie/papermodels/models/folds.html
  • 13. MAKE YOUR OWN FOLD I have found on internet this drawings to print.http://www.fault-analysis-group.ucd.ie/papermodels/models/folds.html
  • 14. PROCESS OF FORMATION
  • 15. THE END Adrián Hernández Iranzo