Structural geology.docx - Structural geology Tilted beds...

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Structural geology - Tilted beds, joints and faults are planar features whose orientation is described by their strike and dip o Strike – compass direction of a line formed by intersection of inclined plane with a horizontal plane o Dip – direction in which and the angle downward from horizontal at which a plane is oriented - Structural geology – study of earths structures - Stress – pressure or force to rocks causing deformation to occur o Confining stress – equal in all directions o Differential stress – not equal in all directions Tensional – pulling apart Compressional – squeezing together Shear – side to side - Strain – rocks deform o Ductile deformation – rocks change shape, creates folds, high confining stress
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  • Fall '10
  • MARTINHELMKE
  • Geology, fold axis, o Basin

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