Everything about Hogback Geology totally explained
A
hogback is a
homoclinal ridge composed of steeply tilted
strata of rock protruding from the surrounding area. The name comes from the ridge resembling the ridge between the shoulders of a hog. In many cases, the two strata that compose a hogback are different types of
sedimentary rock with differing weathering rates. The softer rock
erodes more quickly than overlying hard rock. Over time, the softer rock retreats to a point where the hard and soft rock strata are adjacent. This creates
cliffs that steepen as the softer rock continues to erode. The defining characteristics of a hogback a steep
dip slope that's greater than 30° - 40° with a near symmetric slope on each ridge face. A
cuesta is a homoclinal ridge with a more gentle dip slope.
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