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Class 7: Isolated inner basins and plateaus less than 25 km 2 (9.7 sq mi) in area that are completely surrounded by Class 1 to 6 mountains, but do not themselves meet criteria for Class 1 to 6 mountains. Using these definitions, mountains cover 33% of Eurasia, 19% of South America, 24% of North America, and 14% of Africa.
Examples are mountains, hills, polar caps, and valleys, which are found on all of the terrestrial planets. The scientific study of landforms is known as geomorphology. In onomastic terminology, toponyms (geographical proper names) of individual landform objects (mountains, hills, valleys, etc.) are called oronyms. [4]
Some cities' hills are culturally significant in their foundation, defense, and history. In addition to Rome, hills have played a prominent role in the history of San Francisco , with its hills being central to the city's fog and civil engineering projects today famous as tourist attractions such as the cable cars and Lombard Street .
The Vindhyas do not form a single range in the proper geological sense: the hills collectively known as the Vindhyas do not lie along an anticlinal or synclinal ridge. [7] The Vindhya range is actually a group of discontinuous chain of mountain ridges, hill ranges, highlands and plateau escarpments. The term "Vindhyas" is defined by convention ...
Mountain formation occurs due to a variety of geological processes associated with large-scale movements of the Earth's crust (tectonic plates). [1] Folding , faulting , volcanic activity , igneous intrusion and metamorphism can all be parts of the orogenic process of mountain building. [ 2 ]
The Indian subcontinent has seven principal mountain ranges and the largest of all is the Himalayas that lies in the northern part of India. The famous peaks and ranges include the Kangchenjunga range in the Eastern Himalayas which frames the hill stations of Darjeeling and Gangtok as well as the Nanda Devi in Uttarakhand .
A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arisen from the same cause, usually an orogeny . [ 1 ]
Mountains portal; This article is part of WikiProject Mountains, a project to systematically present information on mountains.If you would like to participate, you can choose to edit the article attached to this page (see Contributing FAQ for more information), or visit the project page where you can join the project and/or contribute to the discussion.