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 ?
Holes 1, 2, 17 and 18 are out of sight on the east side of the hogback, where the clubhouse and pro shop will be located.
They are called hogbacks, geologically defined as long, sharp, crusted ridges formed by steeply inclined strata resistant to erosion.
Mac's great moment came when the Piedmont got into the radio business and erected a 300-foot tower out on Hogback Mountain.
From her bedroom window, Hadley can see a light flickering on Hogback Hill.
They stop at the overlooks, idling their engines as they read signs describing Shenandoah's ruggedly scenic terrain: Hogback, Little Devil Stairs, Old Rag, Hawksbill, Panorama.
Two are parks that charge day-use fees: $3 per vehicle at Brannan Island State Recreation Area, $3 (weekends only) at Sacramento County's Hogback Island Access.
One half (1/2) mile of county line road just south of hogback road.
With legs and lungs screaming for oxygen, I finally reached the hogback alpine ridge a few hours before sunset.
Various dates throughout October 2009, 8 days from pounds 749 Return flight from Heathrow to New York - Return airport to hotel transfers - One night in New Jersey - Two nights at the Stratton Mountain, Stratton, Vermont - Three nights at the Clarion Nantasket Beach Resort Hotel & Spa, Hull - Room only basis - Time to soak up those vivid fall colours, including a full day tour through Vermont, - taking in Quechee Gorge, quintessential Woodstock and Hogback Mountain Scenic drive along the Mowhawk Trail and a stop at the Yankee Candle Factory - Morning visit to Manhattan, New York City - Full day trip Boston - En-route stop in Newport, Rhode Island - Services of a tour manager - Option to book on-line at: www.
I hurried an approach, then slipped between scattered cows to find a bull behind a hogback.
Price includes return flight from Heathrow, six nights accommodation on room only basis, morning visit to Manhattan, full day visit to Boston, full day tour through Vermont, Woodstock and Hogback Mountain.