The relief and minerals of South America

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1. Relief and minerals of North America 1. Explain the location of large relief forms on the mainland. Why are the Cordilleras located in the west of the mainland? Map the physical map of North America with a map of the structure of the earth’s crust. The North American platform is expressed in relief by the Central and Great Plains, and the […]...
2. Minerals of South America The wealth and diversity of minerals in South America are due to the structure of the earth’s crust. Their origin and location is associated with tectonic structures, the activities of the internal and external forces of the Earth. In the folded areas and shields of the ancient platforms, mainly find ore minerals of igneous origin. […]...
3. The structure of the earth’s crust of South America As a result of the split of Gondwana 180 million years ago, South America separated from Africa and began to move westward. So there was the South American lithospheric plate. Thus, at the heart of South America is the “remnant” of Gondwana – the ancient South American platform, occupying the entire eastern part of the […]...
4. Relation between the forms of the Earth relief and the structure of the lithosphere The lithosphere is the hard shell of the Earth, consisting of the earth’s crust and the upper layer of the mantle. Forty years ago, a scientific theory of lithospheric plates arose. According to this theory, the lithosphere is broken by giant cracks into separate blocks – lithospheric plates. The boundaries of the plates pass along […]...
5. The relief of South America The geological structure of South America is connected with its relief. At first glance at the physical map of the continent, it can be divided into three parts: lowland – in the center, plateau – in the east, highland – in the west. Platforms on the east of the continent correspond to large plains. On […]...
6. The structure of the earth’s crust of Africa The relief depends on the structure of the earth’s crust, which was formed for a long time. Under the influence of internal and external processes, the main tectonic structures of Africa emerged and deposits of various minerals were formed to the origin. Covered 2-3 billion years ago, Africa’s high mountain systems under the influence of […]...
7. The minerals of Africa The occurrence of minerals is associated with the geological structure of the continent. On the shields, where the crystalline rocks of the foundation of the platform come to the surface, and deposits of ore minerals are found in the folding belts of different ages. The so-called “copper belt”, which extends through all of East Africa […]...
8. Relief and minerals of Africa 1. Write a description of the relief of the island of Madagascar. In order to complete this task, you need to use the plan for describing the terrain. It is important not to confuse the plan for describing the terrain of the territory with a plan for describing the shape of the relief. What is […]...
9. Relief of the Earth 1. What is a relief? What are the reasons for its diversity? To answer the second question, it is necessary to imagine how the relief is formed, what forces contribute to the occurrence of unevenness on the Earth’s surface, how the internal and external influences during the formation of the relief differ from place to […]...
10. The structure of the earth’s crust of North America North America along with Eurasia is the remnant of the ancient continent of the northern hemisphere of Laurasia, which began to split into modern continents at the end of the Mesozoic era about 100 million years ago. The oldest and largest in area tectonic structure of North America is the North American platform, which is […]...
11. Origin of continents and oceans 1. Which structure has the lithosphere? What phenomena occur on the boundaries of its plates? The lithosphere is heterogeneous in structure and consists of the earth’s crust and the upper part of the Earth’s mantle. The Earth’s crust is divided into oceanic and continental crust. The continental crust is much thicker than the oceanic crust […]...
12. The Australian Union 1. What are the minerals rich in the Australian Union? The Australian Union is a country occupying the whole continent that is part of the British Commonwealth of Nations. The Australian Union, which is called Australia, contains rich mineral deposits in its bowels. The regularity of the location of minerals depends on the structure of […]...
13. Geographical position of Australia. The history of the discovery. Relief and minerals 1. Tell us about the main stages of the discovery of Australia. Here you need to talk about the research of the Dutch traveler Abel Tasman and the English navigator James Cook. At different times they discovered different parts of the coast of Australia. It was proved that Australia is a separate continent entirely in […]...
14. The structure of the earth’s crust and the subglacial relief of Antarctica The structure of the earth’s crust. In the middle of XX century. among scientists there were discussions about what is hidden under the glacial armor of Antarctica: the ocean, the archipelago or the continuous continent. The final answer was given by studies of the earth’s crust. So it was established that the Earth’s crust of […]...
15. The structure of the Earth’s crust of Eurasia The territory of Eurasia has been formed for hundreds of millions of years. The structure of the earth’s crust of Eurasia is more complex than that of other continents. Eurasia is located within three large lithospheric plates: the Eurasian, the Indo-Australian and the North American. At the heart of the lithospheric plates are several ancient […]...
16. Lakes and glaciers of South America Lakes. There are not many big lakes in South America. The largest of them is Maracaibo in the north of the mainland. The basin of this lake has a tectonic origin and is located in the crust of the earth’s crust. The lake connects with a narrow strait with the Caribbean Sea, for which it […]...
17. Relief of North America The relief of North America is closely connected with its tectonic structures. The ancient and young platforms in the modern relief correspond to the plains, the regions of folding in the extreme West and East – the mountains. Plains occupy 2/3 of the surface. The Canadian shield corresponds to the relief of the Laurentian Upland, […]...
18. Key facts on the topic “South America” The continents of South and North America form a single part of oppression. The northern part of South America crosses the equator, the middle part – the Southern Tropic, and the southern part of the continent reaches 54 ° S. extending into temperate latitudes. Part of the world America was discovered by Christopher Columbus in […]...
19. Relief of Africa The structure of the earth’s crust of the continent determines its relief. Considering the physical map of Africa, we can conclude that the continent consists of elevated plains. Lowlands and high mountains are few. Lowlands are located mainly along the coasts of the seas and oceans. The eastern part of Africa occupies a rather high […]...
20. Geological structure, minerals and climate of Oceania The geological structure of the islands of Oceania and their origin are closely related to the structure of the bottom of the Pacific Ocean. In the west of the Pacific, the Pacific and Indo-Australian plates converge, forming uplifts. In the places of their collision, earthquakes and volcanism are observed. Most of the islands of Oceania […]...
21. Forms of relief of the earth’s surface and their formation It is difficult to imagine that in comparison with the real dimensions of the Earth on this model – a globe with a diameter of 1 m – the dimensions of the highest mountain systems and the deepest depressions would not exceed 1 mm. And the ego with the fact that the real maximum elevation […]...
22. Climatic zones and areas of South America As the equator passes through the northern part of South America, the continent is mainly located in the equatorial, subequatorial and tropical climatic zones. Only the southern part of the continent is in the subtropical and temperate zones. Equatorial air masses dominate in the equatorial climate zone during the year and an area of ​​low […]...
23. Forming the climate of South America The climate of South America is similar to the climate of other continents of tropical latitudes – Africa and Australia, although here the territories with dry climate are much smaller. By the amount of precipitation, no continent can compete with South America. All these features are determined by a number of climate-forming factors. Like other […]...
24. The structure of the earth’s crust of Australia Australia is located in the central part of the Indo-Australian lithospheric plate. Consequently, this is the only continent on which there are no active volcanoes, and earthquakes occur very rarely and do not have destructive power. Australia, like Africa, is the remnant of the ancient mainland of Gondwana, about 180 million years ago split into […]...
25. Rivers of South America Since South America is the wettest continent of the world, the river network here is very dense. On the mainland, the longest and deepest rivers of the planet flow. The main watershed in South America is the Andes. Since the mountains lie in the extreme west of the continent, most rivers of South America belong […]...
26. Countries of South America The domination of the colonialists in South America, which began since its discovery, ended in the early 19th century. as a result of the national liberation struggle of the peoples of the continent. Participated in this fight and the indigenous people – the Indians, and representatives of mixed races, and European immigrants. The borders of […]...
27. Relief of Eurasia Due to the complexity of the structure of the earth’s crust and the long history of its development, the surface of Eurasia is more diverse than other continents. Here are the largest plains The earth and the highest mountains, the deepest depression on land and the largest lowland of the world, which lies below the […]...
28. Geographical position of South America 1. Which of these continents should be more diverse? Why? One of the main factors determining the diversity of nature is the size of the continent. It can be assumed that the larger the territory, the more diverse it is. In addition to size, the diversity of nature is affected by the shape of the […]...
29. The population of South America According to scientists, South America began to be populated 15-17 thousand years ago by Indians from North America. They belong to the Mongoloid race. Therefore, the most probable is that their ancestors came to America from Asia. By the time the Europeans discovered South America, it was inhabited by various Indian peoples, standing at different […]...
30. Basic facts on the topic “Physiographic location, discovery, study and relief of Eurasia” The physiographic position of Eurasia is determined by its size, a large extent from west to east and from north to south. Eurasia lies in all climatic belts of the Earth. It is the only continent that is washed by the waters of all four oceans. The coastline of the continent is strongly dissected, there […]...
31. Key facts on the topic “North America” North America is completely located in the Northern and Western hemispheres, stretching almost 7 thousand km from north to south, has a heavily dissected coastline. Its closest neighboring continents are Eurasia and South America. The first of the Europeans reached the northern coasts of North America, the Normans in the 10th century, but information about […]...
32. Natural areas of South America 1. What are the features of the similarities and differences between the natural zones of South America and Africa. You already know that distinguishing features of similarities and differences is a method of comparison. Carefully study the maps of the natural areas of South America and Africa. Performing task 2 after 42, you compared the […]...
33. Minerals of Eurasia In Eurasia, there are all kinds of minerals that humanity uses. This is due to the size of the continent and the complex structure of the earth’s crust. Large deposits of iron ore are discovered in France, on the Scandinavian Peninsula, on the Eastern European Plain, in Kazakhstan, Siberia, on the Dekan plateau in India. […]...
34. Features of the Eurasian landform, its development 1. How does the relief of Eurasia differ from the relief of other continents? In Eurasia, as on all other continents, there are mountains and plains. Here are the highest mountains and the most extensive plains. From the plains and plateaus of North and Central Asia, the peninsulas of the South-West, South and South-East Eurasia […]...
35. The history of discovery and exploration of South America Genoese sailor Christopher Columbus, having received the consent of the Spanish king, went to seek a sea route to India. In 1492 an expedition on three ships set off across the Atlantic Ocean to the west. On day 70, the sailors of Columbus saw the earth. So America was discovered. After the first voyage, Columbus […]...
36. The physiographic location of South America South America together with the North form a single part of the world – America. South America, like Africa, is crossed by the equator, so it is located simultaneously in both the Northern and Southern Hemispheres. But unlike Africa, most of the continent lies south of the equator. Consequently, like in Australia, in most of […]...
37. General information on South America The area is 17.8 million km2. The population is -370 million people. The length of the coastline is 26 thousand km. The highest point above sea level is in Aconcagua. The lowest point from the sea level is the Valdez Peninsula. The longest river is the Amazon from Ucayali. The largest lake is Maracaibo. The […]...
38. Key facts on the topic “Australia” Australia is the smallest continent in the world, entirely in the Southern Hemisphere. The southern tropic crosses the continent almost in the middle. Australia is remote from other continents by the expanses of the Indian and Pacific Oceans, which explains the uniqueness of its nature. Australia’s shoreline is indented a little. Australia was opened by […]...
39. Features of the organic world of South America and the change of its natural complexes by man Features of the organic world of the continent. The diversity of the natural conditions of South America determines the species richness of plants and animals, and the remoteness from other continents is their originality. Since in the past geological era, South America was part of the single continent of Gondwana, some plant forks are similar […]...
40. Relief of Australia Since the most ancient platforms in the relief correspond to flat areas, the relief of Australia is rather monotonous and similar to the relief of Africa. Here, too, the territory is mostly flat. The average height is only 215 m above sea level. In the west, within the shield, the plain is somewhat elevated and […]...