Strike and dip
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In geology, strike and dip is a measurement convention used to describe the plane orientation or attitude of a planar geologic feature. A feature's strike is the azimuth of an imagined horizontal line
Tilted layers of chalk, Cyprus
A Brunton Geo Transit, used commonly by geologists for strike and dip measurements
Elk Basin
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Elk Basin is a valley on the border of Montana and Wyoming in the United States. It is an active oil field with hundreds of derricks operating in it. Geologically, it is a breached anticline formed by
View of Elk Basin facing north along the axis of the anticline. Note strata dipping to the right and left on the sides of the image.