What Is The Largest Mountain Range In Latin America

What Is The Largest Mountain Range In Latin America – The Andes Mountains, seen from an airplane, between Santiago de Chile and Moza, Argentina in summer. Large glaciers are located on the southern slopes of San Jose (left) and Marmolejo (right) volcanoes. Tupungato to their right.

Map of South America showing the Andes Mountains on the western edge of the continent (roughly parallel to the Pacific coast).

What Is The Largest Mountain Range In Latin America

What Is The Largest Mountain Range In Latin America

The Andes (/ˈ ænd iːz / AN -deez), the Andes Mountains or the Andes Range (Spanish: Cordillera de los Andes; Quechua: Anti) are the longest continental mountain ranges in the world, forming a continuous ridge above Mt. . in the west. corner of South America. It is 8,900 km (5,530 mi) long, 200 to 700 km (124 to 435 mi) wide (range 18°N–20°S) and has an average elevation of about 4,000 m. (13, 123 feet). The Andes stretch from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.

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According to their height, the Andes are divided into several regions, which are separated by a central depression. The Andes are home to several large plateaus – some of which house major cities such as Quito, Bogota, Cali, Arequipa, Medellin, Bucaramanga, Sucre, Mérida, El Alto, and La Paz. The Altiplano is the second largest plateau in the world after the Tibetan Plateau. These regions are divided into three main climate zones: the Hot Andes, the Dry Andes, and the Wet Andes.

The Andes are the highest mountain ranges outside of Asia. The highest mountain outside of Asia, Argentina’s Aconcagua, rises about 6,961 meters (22,838 feet) above sea level. The peaks of Chimborazo in the Ecuadorian Andes are farther from Earth than anywhere else on Earth’s surface due to the equatorial rotation of the Earth. The world’s highest volcanoes are in the Andes, including Ojos del Salado on the border of Chile and Argentina, which reaches 6,893 m (22,615 ft).

The Andes are also part of the American Cordillera, a chain of mountains (cordilleras) consisting of a continuous sequence of mountains that form the “backbone” of the western Americas and Antarctica.

The etymology of the name Andes is controversial. Most agree that it is derived from the Quechua word for “east”.

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And is used as a descriptive name for several adjacent parts of the Andes, as well as the Andes mountain range and the adjacent mountain ranges of the western half of the North and South American continents.

Aerial view of Valle Carbajal in Tierra del Fuego. The Andes range is about 200 kilometers (124 mi) along its entire length, except for the Bolivian ridge, which is about 640 kilometers (398 mi).

Vesuela, Colombia and Ecuador. In the northern part of the Andes, the separate range of the Sierra Nevada de Santa Marta is often considered part of the Northern Andes.

What Is The Largest Mountain Range In Latin America

The Leeward Antilles of Aruba, Bonaire, and Curaçao, located in the Caribbean Sea off the coast of Vesuela, were believed by the ancients to be the underwater peaks of the northern edge of the Andes, but ongoing geological research shows that these Antilles of Aruba, Bonaire, and Curaçao, in the Caribbean Sea off the coast of Vesuela was thought by the ancients to represent the underwater peaks of the northern edge of the Andes. to simplify does not do justice to the complex tectonic boundary between the South American and Caribbean plates.

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The Andes are a Mesozoic-Tertiary orogenic mountain belt on the Pacific Ring of Fire, a volcanic region that separates the Pacific coast of the Americas and the Asia-Pacific region. The Andes are the result of plate tectonic processes caused by the subduction of the ocean floor on the South American plate when the Nazca plate and the South American plate converge. These processes were accelerated by the weather. As the height of the Andes Mountains created a rain shadow on Chile’s western border, ocean currents and prevailing winds carried moisture away from the Chilean coast. This caused some areas of the subduction zone to thin, which increased friction and the rate of coastal uplift.

The main reason for the rise of the Andes is the compression of the western side of the South American plate as a result of subduction of the Nazca plate and the Antarctic plate. To the east, the Andes range is bounded by several sedimentary basins, such as the Orinoco, Amazon Basin, Madre de Dios, and Gran Chaco, which separate the Andes from the ancient cratons of eastern South America. To the south, the Andes form a long border with the ancient Patagonian Terrane. To the west, the Andes lie on the Pacific Ocean, although the Peru-Chile line can be considered its last western limit. If you look at this region, the Andes are considered as its western borders, characterized by the appearance of coastal plains and small rugged areas. The Andes are also rich in iron, which is found in many of the mountains in this mountain range.

The Andean ridge has a series of bds or oroclines. The Bolivian Orocline is a depression along the coast of South America and the Andes Mountains at about 18° south.

At this point, the shape of the Andes changes from northwestern Peru to Southern Chile and Argentina.

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The Andes to the north and south of the Orocline rotate 15 to 20° clockwise and counterclockwise, respectively.

The Bolivian Orocline region covers a large area of ​​the Altiplano plateau and according to Isaacs (1988) the Orocline is associated with crustal shearing.

To the south, the Maipo Orocline, a very fragile orocline between 30°S and 38°S with a concave break offshore in the trd at 33°S.

What Is The Largest Mountain Range In Latin America

The western edge of the South American plate was the site of several pre-Andean orogenies, at least during the late Proterozoic and early Paleozoic, when many landmasses and microcontinents collided and merged with the ancient craton of South America, not South America. part of Gondwana.

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The formation of the modern Andes began in the Triassic, when Pangea began to break apart, which led to the development of several rifts. Development continued during the Jurassic period. It was during the Cretaceous period that the Andes were formed by the uplift, faulting and folding of sedimentary and metamorphic rocks in ancient eastern cratons. The height of the Andes Mountains has been constant because different regions have experienced different levels of tectonic stress, uplift, and erosion.

Tectonic forces above the subduction zone on the west coast of South America, where the Nazca plate and part of the Antarctic plate slide over the South American plate, continue to produce ongoing orogenic events that trigger massive earthquakes and volcanic eruptions. days Farther south, a large transform fault separates Tierra del Fuego from the small Scotia plate. Across the Drake Passage for 1,000 km (620 mi) lie the mountains of the Antarctic Peninsula south of the Scottish Plate, which are a continuation of the Andes chain.

The Far Eastern Andean region has undergone a number of changes since the Andean orogeny. A part of the Sansas Orog in the Amazon craton disappeared from the face of the earth, and the Andes passed through the Andes.

The Sierras de Córdoba, where the results of the ancient Pampe orogeny can be seen, are due to the uplift and modern relief of the Andean orogeny in the Tertiary period.

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In southern Patagonia, the onset of the Andean orogeny caused the Magellanic Basin to transform from a broad arc region in the Mesozoic to a compressional foreland in the Cozoic.

This image from the ISS shows the high plains of the Andes in the foreground, with a line of small volcanoes overlooking the Atacama Desert below.

There are many volcanoes in the Andes mountain range, spread over four volcanic zones separated by inactive zones. Andean volcanism is the result of subduction of the Nazca Plate and the Antarctic Plate beneath the South American Plate. This region is divided into four main volcanic zones separated by volcanic gaps. Volcanoes in this belt differ in their activity style, product, and shape.

What Is The Largest Mountain Range In Latin America

Although some of the variation can be explained by which volcanic zone a volcano belongs to, there are significant differences between volcanic zones and between neighboring volcanoes. Although it is a common area of ​​calcareous volcanism and subduction, the Andean volcanic belt has a variety of volcano-tectonic environments, such as rift systems and shear zones, transpressional faults, subduction of mid-ocean ridges, and various seamount chains. . from a wide range of crust thickness and magma asct method, with different skin thickness values.

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The Andes contain large amounts of iron and salt, while some of the eastern belts act as traps for commercially viable hydrocarbons. In the former Atacama Desert, some of the largest porphyry copper mines are located in Chile and Peru, the world’s first and second largest copper exporters. Porphyry copper on the western slopes of the Andes forms from hot fluids (mostly water) as plutons or volcanic systems cool. Porphyry mineralization has improved even more

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