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Mountain

A large landform that rises fairly steeply above the surrounding land over a limited area

A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. A mountain differs from a plateau in having a limited summit area, and is larger than a hill, typically rising at least 300 metres (1000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges.

Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, and through erosion by rivers and glaciers.

High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain and climate, mountains tend to be used less for agriculture and more for resource extraction, such as mining and logging, and recreation, such as mountain climbing and skiing.

The highest mountain on Earth is Mount Everest in the Himalayas of Asia, whose summit is 8,850 m (29,035 ft) above mean sea level. The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at 21,171 m (69,459 ft).

Mountain Media

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Lente landschap

Lente landschap

Een geleerde met kamerbediende in een berglandschap met pijnbomen en bloeiende pruimenbomen.

Buddhist Temples amid Autumn Mountains, Song dynasty

Buddhist Temples amid Autumn Mountains, Song dynasty

Unidentified Artist Song dynasty (960–1279)

The three tallest peaks in the Alaska Range -- Mount

The three tallest peaks in the Alaska Range -- Mount

The three tallest peaks in the Alaska Range -- Mount Foraker (17,400 feet), Mount Hunter (14,573 feet) and Denali (20,310 feet) – fill the skyline above Talkeetna, Alaska. Aviators from B Company, 1st Battalion... More

Soldiers from the 1st Battalion, 52nd Aviation Regiment

Soldiers from the 1st Battalion, 52nd Aviation Regiment

Soldiers from the 1st Battalion, 52nd Aviation Regiment pull maintenance on a CH-47F Chinook helicopter Feb. 27, 2020, at Fort Wainwright, Alaska, to ensure it is ready to fly missions in support of Arctic Edge... More

Design for a Mirror with the Sigil of Three Mountains (Family Crest of the Monti?)

Design for a Mirror with the Sigil of Three Mountains (Family Crest of...

Anonymous, Italian, 16th century (Italian, active Central Italy, ca. 1550–1580)

Arctic Edge action

Arctic Edge action

CH-47F Chinook helicopters from B Company, 1st Battalion, 52nd Aviation Regiment sit in position as the sun rises Feb. 28, 2020, for Soldiers and Marines at Fort Wainwright's Hangar 1 to load up for a mission i... More

Sinaihalbinsel Ostseite: Wâdi Ṭâba. 1914.

Sinaihalbinsel Ostseite: Wâdi Ṭâba. 1914.

Plate 86 in portfolio: Bilder aus Palästina. Nord-Arabien und dem Sinai. Berlin : Dietrich Riemer, 1916. Letterpress caption in German. Title from item. Translated title by Library staff. Photograph taken from... More

Kaïn slaat Abel dood, Agostino Veneziano, Italy

Kaïn slaat Abel dood, Agostino Veneziano, Italy

Kaïn staat op het punt om Abel dood te slaan met een wapen, mogelijk het kaakbeen van een ezel. Links op de achtergrond een landschap met bebouwing, water en bergen.

Looking N.E. from the rigid slopes of Mt. Subal [i.e., Serbal]. The Wilderness of Sin is 3000 ft. below

Looking N.E. from the rigid slopes of Mt. Subal [i.e., Serbal]. The Wi...

Photograph shows men, one armed with weapon, on rocky outcroppings looking out at the valley below. J177966 U.S. Copyright Office. Photograph taken from the western half (?) of the crown-shape summit of Gebel S... More

Francis Frith - Mount Serbál, from the Wádee Feyrán Frith

Francis Frith - Mount Serbál, from the Wádee Feyrán Frith

Photograph shows rocky landscape with a tree in the foreground and mountains in the background. Photograph taken from Wadi Feiran (Biblical Rephidim) downstream area to the west of the dense palm grove of Feira... More

Thipian with its oasis-like gardens, Mt. Sinai

Thipian with its oasis-like gardens, Mt. Sinai

Photograph shows armed men looking out over valley and mountains. J177968 U.S. Copyright Office. Photograph taken from the summit of Gebel Tahuna (Hererat El Kebir or the mountain of the mill), where the palm g... More

Sinaihalbinsel Ostseite, Ehemaliger ägyptischer Posten Nuwêbiʻ. 1914.

Sinaihalbinsel Ostseite, Ehemaliger ägyptischer Posten Nuwêbiʻ. 1914.

Plate 88 in portfolio: Bilder aus Palästina. Nord-Arabien und dem Sinai. Berlin : Dietrich Riemer, 1916. Letterpress caption in German. Title from item. Translated title by Library staff. Photograph taken from... More

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