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Lake Seal, Mt. Field National Park, Tasmania – a cirque formed from a glacier is visible in the walls around Lake Seal [6] If two adjacent cirques erode toward one another, an arête, or steep sided ridge, forms. When three or more cirques erode toward one another, a pyramidal peak is created. In some cases, this peak will be made accessible ...
Verdi Lake in the Ruby Mountains of Nevada. The word is derived from the Old Norse word tjörn ("a small mountain lake without tributaries") meaning pond. In parts of Northern England – predominantly Cumberland and Westmorland (where there are 197), [2] but also areas of North Lancashire and North Yorkshire – 'tarn' is widely used as the name for small lakes or ponds, regardless of their ...
Satellite image of the Cayman Trough Bathymetric features of the Rockall Trough northwest of Scotland and Ireland. In geology, a trough is a linear structural depression that extends laterally over a distance. Although it is less steep than a trench, a trough can be a narrow basin or a geologic rift. These features often form at the rim of ...
A tunnel or conduit that channels water through or beneath an obstacle (e.g. through a man-made crossing of a ravine that would otherwise block the natural flow of water), or any artificially buried watercourse. curvimeter See opisometer. cusp An arc-shaped, dune-like mound of sediment on a beach or foreshore. [13]
A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre. The distance between any point of the circle and the centre is called the radius. The length of a line segment connecting two points on the circle and passing through the centre is called the diameter.
The Trough is a 6-mile long wooded gorge carved by the South Branch Potomac River (SBPR) and situated in the Allegheny Mountains of Hampshire and Hardy Counties, West Virginia, US. The area was the site of a 1756 skirmish of the French and Indian War , known as the " Battle of the Trough ".
Circle Lake is a lake in Rice County, in the U.S. state of Minnesota. [1] Circle Lake was so named for the fact part of the lake forms a rough circle around a lake ...
The center of this circle is called the circumcenter of the triangle, and its radius is called the circumradius. The circumcenter is the point of intersection between the three perpendicular bisectors of the triangle's sides, and is a triangle center. More generally, an n-sided polygon with all its vertices on the same circle, also called the ...