The compass direction of the line of intersection of an inclined rock plane and a horizontal plane of reference is referred to as the:

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The compass direction of the line of intersection between an inclined rock plane and a horizontal plane of reference is referred to as the strike. This term describes the orientation of the plane in a two-dimensional sense, whereas dip refers to the angle at which the plane slopes downward from the horizontal. Bedding planes are also inclined rock planes, but the strike and dip may vary between them. Tilt and ridge are not relevant terms in this context.

The Compass Direction of the Line of Intersection of an Inclined