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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 tectonic plates .
In geology a sag, or trough, is a depressed, persistent, low area; the opposite of an arch, or ridge, a raised, persistent, high area. The terms sag and arch were used historically to describe very large features, for example, characterizing North America as two arches with a sag between them. [1]
Mountain pass – Route through a mountain range or over a ridge; Mountain range – Geographic area containing several geologically related mountains; Nunatak – Landform within an ice field or glacier; Proglacial lake – Lake formed by the action of ice; Pyramidal peak, also known as Glacial horn – Angular, sharply pointed mountainous peak
Trough (barony), a historical barony in County Monaghan, Ireland; Trough (food) or manger, a container for animal feed; Watering trough, a receptacle of drinking water for domestic and non-domestic livestock; Water trough, a trough used to supply water to steam locomotives. Battle of the Trough, a 1756 skirmish of the French and Indian War in ...
The Salton Trough region from orbit. The Salton Trough is an active tectonic pull-apart basin, or graben. [1] It lies within the Imperial, Riverside, and San Diego counties of southeastern California and extends south of the Mexico–United States border into the state of Baja California.
A trough is an elongated area of lower air pressure. Since pressure is closely linked to wind, there are often changes in wind direction across a trough. If a trough forms in the mid-latitudes, a temperature difference at some distance between the two sides of the trough usually exists and the trough might become a weather front at some
Lake Maracaibo is considered by some to be the second-oldest lake on Earth, but since it lies at sea level and nowadays is a contiguous body of water with the sea, others consider that it has turned into a small bay. The longest lake is Lake Tanganyika, with a length of about 660 kilometres (410 mi) (measured along the lake's center line).
Its antipodal point is correspondingly the farthest point from everyone on earth, and is located in the South Pacific near Easter Island, with a mean distance of 15,000 kilometers (9,300 mi). The data used by this figure is lumped at the country level, and is therefore precise only to country-scale distances, larger nations heavily skewed.