Names of the seven continental divisions Boundaries and names of the seven continents

Asian-European Boundary

① The Ural Mountains

The Ural Mountains (Russian: Уральский хребет, English: Ural Mountains) start from the Gulf of Baidarac in the Arctic Sea, and extend to the Kazakh steppe zone in the south. To the Kazakh steppe zone, located between the plains of Eastern Europe and Western Siberia, stretching more than 2,000 kilometers. From north to south, the mountain range is divided into polar, sub-polar Ural Mountains and North, Central and South Ural Mountains 5 sections.

The average altitude of 500 ~ 1200 meters; sub-polar elevation of 1894 meters above sea level of the people's peak is the highest peak of the Ural Mountains. The width of the mountain range is 40 km ~ 150 km. The middle section is low and flat, and is one of the important passages between Europe and Asia. The western slopes are gentle and the eastern slopes are steeper, and there is a clear difference between the two sides in the distribution of mineral resources, flora and fauna. The Ural Mountains are also the watershed between the Volga and Ural Rivers and the Ob River on the eastern slope.

② Ural River

The Ural River (Russian: УралUrál, English: Ural River), also known as the Ural River, originating in the southern Ural Mountains, flows through the Russian Federation and Kazakhstan **** and the country, in Atyrau into the world's largest lake Caspian Sea, the length of 2428 kilometers, is the world's fourth-largest lake. 2428 kilometers, is the world's fourth largest inland river, the main tributaries are the Sakmara River and so on.

③ Caspian Sea

The Caspian Sea (Russian: каспийскоеморе, Persian:, English: Caspian Sea) is the world's largest lake and for the brackish water lake. It is located at the inland border of Europe and Asia. The Caspian Sea is geographically characterized as a "sea-trail lake", which was finally separated from the Black Sea to become an inland lake just over 11,000 years ago. The Caspian Sea has an ecosystem similar to that of the oceans, a well-developed maritime industry, and is extremely rich in petroleum resources, with proven reserves of oil about twice that of Saudi Arabia.

④ Great Caucasus Mountains

The Great Caucasus Mountains (Russian: горыбольшогокавказа, English: Great Caucasus) are a young folded mountain system in the central Caucasus. Bordering the Black Sea to the west and the Caspian Sea to the east, it extends from northwest to southeast on Russia's borders with Georgia and Azerbaijan, with a total length of more than 1,100 kilometers and a maximum width of 180 kilometers, covering an area of about 145,000 square kilometers.

⑤ Black Sea

The Black Sea (Russian: Черноеморе, Turkish: Kara Deniz, English: Black Sea) is an inland sea in Asia and Europe, with an area of about 424,000 square kilometers. The Black Sea is connected to the Mediterranean Sea through the Turkish Straits. Important rivers flowing into the Black Sea include the Danube and the Dnieper. The countries along the coast are Turkey, Bulgaria, Ukraine and so on, and the important cities along the coast are Istanbul, Burgas, Varna and so on.

⑥Turkish Strait

The Turkish Strait (Turkish: Türk deniz fjortlar?, Greek: Τουρκικ?στεν?, English: Turkey Strait,) communicates the Mediterranean Sea and the Black Sea, and it is the only strait from the Mediterranean Sea to the Black Sea, and is therefore also called the Black Sea Strait. Black Sea Strait. Including the Bosphorus, the Sea of Marmara and the Dardanelles three parts, the total length of 345 kilometers, roughly northeast-southwest direction.

Asia-Africa Boundary

① Suez Canal

The Suez Canal (Arabic:?), English: Suez Canal (Arabic:?). , English: Suez Canal), also translated as the Suez Canal, built and opened to navigation in 1869, is a sea-level waterway in Arab Egypt *** and the country through the Isthmus of Suez, communicating the Mediterranean Sea and the Red Sea, to provide the closest route from the Indian Ocean to the land near Europe and the Western Pacific. It is one of the most frequently used routes in the world, and is one of the main routes for the people of Asia, Europe and Africa to and from each other.

② Red Sea

The Red Sea (Arabic:, English: Red Sea) is located between northeastern Africa and the Arabian Peninsula in Asia, in a long and narrow. Its northwest through the Suez Canal and the Mediterranean Sea, southeast through the Strait of Bab al-Mandeb and the Gulf of Aden (and the Arabian Sea, part of the Indian Ocean) connected. It is the most saline sea in the world and an important oil transportation corridor in the world.

③ Mandab Strait

Mandab Strait (Arabic: ? After the Suez Canal is open to navigation, from the Atlantic Ocean into the Mediterranean Sea, through the Suez Canal, the Red Sea through the Indian Ocean maritime transportation must pass through, strategic importance. Channel width of about 26 km ~ 32 km, an average depth of 150 meters, between which scattered a number of volcanic islands, Pirin Island will be divided into a small channel and a large channel, a small channel in the Asian side of the width of about 3.2 kilometers, the depth of 30 meters, is the main channel in the Strait of Mandalay; a large channel in the African side of the width of about 25.95 kilometers, the depth of 333 meters, and more than the reefs and a number of small volcanic islands.

Asia-North America Boundary

Bering Strait

Bering Strait (Russian: беринговпролив, English: Bering Strait) is located in the continent of Asia and Europe's most easterly point of the Cape Di?inev with the continent of the Americas, the westernmost point of the Cape Prince of Wales, between the west and the west. Cape Prince of Wales, between the easternmost point of the Asian-European continent, Cape Diezhnev, and the westernmost point of the American continent, Cape Prince of Wales, with a longitude of 169 ° 40′ W and a latitude of 65 ° 35′ N. The Strait is about 85 kilometers wide and 37 kilometers at its narrowest point, with a depth of between 30 and 50 meters. The strait bridges the Chukchi Sea (of the Arctic Ocean) and the Bering Sea (of the Pacific Ocean). The name comes from the Danish explorer Vitus Bering.

Sub-Oceanic Boundary

① Timor Sea

Timor Sea (Indonesian: Laut Timor, English: Timor Sea) is a branch of the Indian Ocean. Located in the southeast of Timor Island, northwest of Australia, west of the Indian Ocean, east of the Arafura Sea. It is about 480 kilometers wide, with an area of about 615,000 square kilometers and a volume of 250,000 cubic kilometers. The maximum depth is over 3300 meters in the Timor Trench in the north.

② Arafura Sea

The Arafura Sea (Indonesian: Arafla laut, English: Arafura Sea) is an inter-island sea on the eastern edge of the Indian Ocean. It is located between the island of New Guinea and the north coast of Australia. It is bounded on the north by the southern boundaries of the Serran Sea and the Banda Sea, on the east by the western boundary of the Coral Sea in the Torres Strait and the southwestern coast of the island of New Guinea, on the south by the coast of Australia, and on the west by the line connecting the northern tip of Arnhem Land in northern Australia, from Cape Don to the Tanimbar Islands.

It is about 1,280 kilometers long from east to west and about 560 kilometers wide from north to south. It covers an area of 1,032,000 square kilometers and has a volume of 204,000 cubic kilometers, with an average depth of 197 meters and a maximum depth of 3,680 meters. The sea floor is very similar to that of the Timor Sea in the west. The southeastern part of the sea is the Gulf of Carpentaria, which is 760 kilometers deep into the Australian continent, and is located entirely on the Arafura continental shelf, with a water depth of 50 to 80 meters. The shelf thus extends northward and terminates abruptly in the elongated Aru Trough (the deepest part of the sea), which joins the Timor Trough to the west.

Euro-African Boundary

① Strait of Gibraltar

The Strait of Gibraltar (English: Strait of Gibraltar, Spanish: Estrecho de Gibraltar, Arabic: ) is located in the British Occupied Territories. Gibraltar and the North African countries between Morocco (5 degrees 36 minutes west longitude, 35 degrees 57 minutes north latitude), 58 kilometers long, the narrowest point in Spain between the Cape of Marocchi and Morocco, Cape Cires, only 13 kilometers wide. From the Atlantic Ocean into the Mediterranean Sea is an important channel. "Gibraltar" is the English translation.

② Mediterranean Sea

The Mediterranean Sea (English: Mediterranean Sea, French: Méditerranée, Italian: Mediterraneo, Arabic: ?). Surrounded by the European continent to the north, the African continent to the south and the Asian continent to the east, the east and west **** about 4,000 kilometers long, north and south of the widest point of about 1,800 kilometers, the area (including the Sea of Marmara, excluding the Black Sea) is about 2,512,000 square kilometers, is the world's largest inter-land sea.

Europe and North America

Denmark Strait

Denmark Strait (Danish: Dansk havfjord, English: Denmark Strait) is located in the Nordic countries of Iceland and the Danish territory of Greenland between. The Arctic Circle runs through its center. The Strait communicates with the Arctic Ocean to the north and the Atlantic Ocean to the south.

North America - South America Boundary

Panama Canal

The Panama Canal (Spanish: Canal de Panama, English: Panama Canal) is located in Panama **** and the country of Central America, crossing the Isthmus of Panama. The Panama Canal (Spanish: Canal de Panama) is located in Panama*** and Central America, crossing the Isthmus of Panama, communicating with the Pacific Ocean and the Atlantic Ocean, and is an important shipping route, known as one of the seven engineering wonders of the world, "Bridge of the World". The Panama Canal was built by the United States and opened to navigation in 1914. Now owned and managed by Panama, it is a lock canal. The length of the canal is about 65 kilometers from the coastline of one side to the coastline of the other side, and about 82 kilometers from the deep water of the Caribbean Sea to the deep water of the Pacific Ocean, with the widest part of the canal reaching 304 meters and the narrowest part of the canal reaching 152 meters. It has a northwest-southeast orientation.

South America - Antarctic Boundary

Drake Passage

Drake Passage (English: Drake Passage, Spanish: Estrecho de drake) is located in the southernmost tip of South America, Cape Horn and Antarctica, between the South Shetland Islands, 300 km long. Drake Passage (English: Drake Passage, Spanish: Estrecho de drake) is located between Cape Horn, the southernmost tip of South America, and South Shetland Islands in Antarctica, with a length of 300 kilometers, a width of 900 kilometers to 950 kilometers, and an average depth of 3,400 meters, with a depth of 4,750 meters. The Drake Passage is one of the widest straits in the world, with a width of 970 kilometers at its widest point and 890 kilometers at its narrowest point. This strait is also one of the dividing lines between the Pacific and Atlantic Oceans.