hogback

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hogback,

sharp-crested ridge with steep slopes on both sides, formed by the erosion of steeply tilted rock layers. Hogbacks are commonly formed along the eroded flanks of large, tightly folded anticlines and synclines (see foldfold,
in geology, bent or deformed arrangement of stratified rocks. These rocks may be of sedimentary or volcanic origin. Although stratified rocks are normally deposited on the earth's surface in horizontal layers (see stratification), they are often found inclined or curved
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). Impressive hogbacks are seen in the foothills east of the Front Range of the Rocky Mts. in Colorado, where they are formed by the vertical or steeply dipping layers of Dakota sandstone. This region forms the intake area for the Dakota artesian system. Hogbacks are also common in the Black Hills of South Dakota where sedimentary rocks were uplifted by the intrusion of Black Hills granite. See cuestacuesta
, asymmetric ridge characterized by a short, steep escarpment on one side, and a long, gentle slope on the other. The steep side exposes the edge of erosion-resistant rock layers that form the cuestas.
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hogback

[′häg‚bak]
(geology)
Alternate ridges and ravines in certain areas of mountains, caused by erosive action of mountain torrents.
References in periodicals archive ?
A partir das imagens SRTM foram identificados sete formas denudacionais de relevo associadas as SRAs, sendo estas Zonas de Erosao Recuante (ZER); Morros e Colinas (MC); Hogbacks (HB); Formas Domicas (DM); Braquianticlinais (BQ); Pseudo-domos (PSD); Relevos tabulares (RT).
Fascinating hogbacks are not limited to the state park; they extend next door to the Roxborough Housing Area, providing hogback hazards for its remarkable, beautiful Arrowhead Golf Club.
A limestone quarry in one of the hogbacks, on the northeastern side of Port-Daniel, exposes a dense network of NNE-striking brittle fault planes with minor N-striking fault planes affecting both the limestone of the La Vieille Formation and the red clastic rocks within the karsts (Fig.
Allow two hours to complete, longer to explore the nooks and crannies that define the hogbacks of sandstone.
Our triumphant yells could easily have informed all of Richfield Center that their brave boys had conquered the mighty Hogbacks.
The trick is to locate a high point above the water's edge, such as a hogback, ridge or plateau, where you can see a long way in both directions while you're looking down into the brush.