Strike

Figure 1 Strike and dip of the beds: 1-Strike, 2-Dip, 3-Apparent dip, 4-Angle of dip. Source: Wikipedia. Author: Eurico Zimbres.

Strike, or azimuth, is the orientation of a body or surface, measured where it intersects a horizontal plane. It is perpendicular to true dip. Strike is usually written as N25E, to distinguish it from dip, which is written 4S, 4SE, or 4 65SE.

Figure 1 illustrates the strike and dip of beds.

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