10 - 1/28/10 STRUCTURAL LANDSCAPES * the relationship...

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1/28/10 STRUCTURAL LANDSCAPES ** the relationship between geologic structure & the visible landscape, & how this is formed by various processes ** formed by tectonic forces or stresses: compression, tension, and shearing ** these stresses create various features: faults, folds, fractures, and warping ** **The process that bends or warps, deforms rock strata when subjected to compressional forces **Best seen in sedimentary rock ** to describe the nature & orientation of these structures, and rock layers, we use the terms, * strike : the compass direction of the line of intersection between the rock layer and a horizontal plane (surface) ex. N45E = a strike with an orientation roughly running NE to SW, or 45 between compass north and east * dip : the angle at which the rock layer tilts from the horizontal (surface) ex. A layer with a dip of 90 degrees would be vertically straight up and down ex. a layer with a dip of 90 would be vertically straight up and down
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This note was uploaded on 01/17/2011 for the course GEOG 1113 taught by Professor Hodler during the Spring '08 term at University of Georgia Athens.

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10 - 1/28/10 STRUCTURAL LANDSCAPES * the relationship...

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