Vergence (geology)
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In structural geology, vergence refers to the direction of the overturned component of an asymmetric fold. In simpler terms, vergence can be described as the horizontal direction in which the upper co
A thrust fault with southward dip and northward vergence
Hans Wilhelm Stille, 1941
Small-scale rock folding
Folded rocks in Penhalt Cliff
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