The structure of the earth’s crust of Australia

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1. 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 […]...
2. 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 […]...
3. 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 […]...
4. 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 […]...
5. 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 […]...
6. 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 […]...
7. 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 […]...
8. 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 […]...
9. Geographical location of Australia The uniqueness of the nature of Australia is associated with the peculiarities of its physical and geographical situation. Australia, unlike Africa, is completely located in the Southern Hemisphere relative to the equator. This explains why in its territory “everything is the opposite” in comparison with our Northern Hemisphere. In January, here is the middle of […]...
10. Coastline of Australia The coastline of Australia is poorly dissected, there are few bays and convenient bays for the construction of seaports and berths. They are located mainly in the east and south-east. While the world’s largest coral structure – the Great Barrier Reef stretching from north to south for 2 thousand km – is close to the […]...
11. History of the discovery and settlement of Australia Surprisingly, the name of the continent arose long before its discovery. Even ancient geographers were sure that in the southern latitudes there is “Unknown Southern Earth”. It was long sought by Europeans even in those days when America was already open. The first on the west coast of the Cape York peninsula landed in 1606, […]...
12. General information about Australia The area of ​​the continent is 7.687 million km2. The population is 20.1 million people. The highest point on the sea level is Kosciusko. The lowest point from the sea level is the lake. Air. The average height above sea level is 215 m. The longest coral reef is the Great Barrier Reef The largest […]...
13. Features of the climate of Australia Australia is the driest continent of the world. Rainfall here is five times less than in Africa, and air temperatures are also high. This is due to the influence of a number of climate-forming factors. Australia receives a large amount of solar energy, because its territory extends in tropical latitudes. The northern part of the […]...
14. 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 […]...
15. Savannah and light forests of Australia Gradually, in the direction to the north and east, the semi-deserts pass into savannas – the vast edges of grasses. In the area of ​​savannah in Australia are second only to deserts. They are located in the northern part of the continent in the conditions of the subequatorial climate, as well as in the more […]...
16. 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 […]...
17. Deserts and semi-deserts of Australia The natural zone of tropical deserts and semi-deserts occupies 65% of Australia’s area and is located mainly in the west, in the center and south of the mainland in a tropical and subtropical continental climate. Soils are tropical desert, very saline and have a red color, which gives them iron oxide. Unlike the African deserts, […]...
18. The relief and minerals of South America 1. What processes form the relief of the east of the continent? To answer this question, you need to compare two maps – a map of the structure of the earth’s crust and a map of the modern relief. Look at these maps and compare the structure of the earth’s crust in the east and […]...
19. Population of Australia The settlement of Australia began about 40 thousand years ago by people from Southeast Asia. The indigenous population of Australia belongs to the Australoid branch of the equatorial race, the characteristic features of which are dark brown skin color, wavy hair, flat nose. The Aboriginal Australians lived in the eastern part of the continent until […]...
20. Interesting facts about “Australia” In the east parallel to the coast of Australia stretches the Great Barrier Reef – a real wonder of the world. Small depths and warm water contributed to the development of a huge number of coral polyps. Among them live motley tropical fish, sea stars, oysters, crocodiles, pearl mussels, anemones. Large sea turtles lay eggs […]...
21. Sushi Water Australia Due to the prevalence of dry and hot climate in Australia there are few surface waters and many underground ones. The rivers and lakes of the continent belong to three basins: the internal runoff of the Indian and Pacific oceans. Only in the east, in the mountains where there is enough rainfall, short rivers do […]...
22. 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 […]...
23. Wet tropical evergreen forests of Australia Wet tropical evergreen forests Spread a narrow strip along the north-eastern coast of Australia. They occupy about 2% of the continent. Australia’s rainforests are extremely picturesque: lush garlands of flowers growing right on trunks and branches, mountains with clear streams and waterfalls, slender coast palms, blue bays with coral reefs combined with gloomy rain forests […]...
24. 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, […]...
25. 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 […]...
26. 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 […]...
27. Uniqueness of the organic world of Australia Australia separated from the “mother” of the ancient mainland of Gondwana earlier than other continents. For a long time she had almost no connection with the world. This explains the uniqueness of its vegetation and fauna. Here, a large number of representatives of the organic world that existed on Earth 50 million years ago remained. […]...
28. 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 […]...
29. Australia is the only state on the mainland On the mainland there is a single state – Australia. It is a highly developed country that occupies a whole continent. It is located far from Europe, but technological progress in the field of communication and transport has brought it closer to other countries. Currently, 20.1 million people live in Australia. The bulk of the […]...
30. 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 […]...
31. Natural areas of Australia. Originality of the organic world 1. What are the features of the location of natural areas in Australia? What are they explained? Having studied the map of natural areas, you can easily determine the features of their location. But in order to correctly answer the second question of this task, it is necessary to carefully read the text of the […]...
32. Climatic zones of Australia The territory of Australia is located in three climatic zones: subequatorial in the north, tropical in the center and subtropical in the south. In the extreme north of the continent, a subequatorial climate is formed. In summer, during the period of the predominance of equatorial air masses, it is moist and warm. The average air […]...
33. The coastline of Africa The coast of Africa is poorly dissected, there are almost no convenient natural bays for porting. This is due to the peculiarities of the formation of the continent. Near the coast of Africa there are few islands. The largest of these is Madagascar in the Indian Ocean. The island has a continental origin. It arose […]...
34. Physical and geographical location of Africa Africa is the continent of heat, impenetrable thickets of equatorial forests, huge savannas and endless deserts. The uniqueness of nature is determined by the peculiarities of the location of Africa on our planet, that is, its physical and geographical position. Physico-geographical position – the location of the territory with respect to a variety of natural […]...
35. 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 […]...
36. 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 […]...
37. Physiographic location of Eurasia Eurasia is the largest land mass on our planet. In terms of area, it occupies more than 1/3 of the Earth’s total land area. Like North America, Eurasia is located entirely in the Northern Hemisphere relative to the equator. Its extent from west to east is impressive: the continent crosses not only the zero, but […]...
38. 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 […]...
39. Physiographic location of North America The location of North America on the earth’s surface differs significantly from the physico-geographical position of the continents of tropical latitudes. This explains the dissimilarity of its nature with the nature of the continents studied by us. The lines of the equator and the zero meridian do not apply to North America. It is entirely […]...
40. 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 […]...