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Друмлин
| Англо-русский словарь по геологии |
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Drumlin, английский
A low, smooth, elongated oval hill, mound, or ridge of compact till that has a core of bedrock or drift. it usually has a blunt nose facing the direction from which the ice approached and a gentler slope tapering in the other direction. the longest axis is parallel to the general direction of glacier flow. drumlins are products of streamline (laminar) flow of glaciers, which molded the subglacial floor through a combination of erosion and deposition. compare - drumlinoid ridge. sw, hp, & gg
Ispatinow, английский
Hogback, английский
- A ridge or line of high hills with sharp summits and steeply sloping sides.
- A ridge formed by the outcropping edge of tilted strata.
- Three-rail jump with the center element the highest.
- A sharp-crested, symmetric ridge formed by highly tilted resistant rock layers; a type of homocline produced by differential erosion of interlayered resistant and weak rocks with dips greater than about 25 o (or approximately > 45 % slopes). compare - homoclinal ridge, cuesta. sw & hp
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Ispatinow, английский
Drumlin, английский
A low, smooth, elongated oval hill, mound, or ridge of compact till that has a core of bedrock or drift. it usually has a blunt nose facing the direction from which the ice approached and a gentler slope tapering in the other direction. the longest axis is parallel to the general direction of glacier flow. drumlins are products of streamline (laminar) flow of glaciers, which molded the subglacial floor through a combination of erosion and deposition. compare - drumlinoid ridge. sw, hp, & gg
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