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Run the water out, otherwise you think it's really a basin
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Xinjiang Jungger Basin.
It is a typical wind-erosion landform, which is the surface form formed by the erosion and abrasion of soil surface material and bedrock by wind and wind-sand flows. Wind erosion forms wind erosion landforms.
In arid areas, the wind-eroded landforms formed by the blowing and abrasion of wind and sand on the ground materials are often widely distributed in windy areas, except for those buried by the vast sand dunes, especially in the windward section facing the tuyere.
Geological structure of the Jungar Basin:
The Jungar Basin is a paleocontinental platform in terms of geological structure. The interior of the basin and the plain can be divided into two zones. From the Altai Mountains in the north.
The southern foothills, the northern plains of the northern edge of the desert in the south, have obvious wind erosion, and there are large areas of wind erosion depressions. The southern plain starts from the northern foot of the Tianshan Mountains in the south, reaches the northern edge of the desert in the north, and can be divided into two zones, the northern belt is the desert, and the southern belt is the piedmont plain at the northern foot of the Tianshan Mountains, which is the main agricultural area.
The Jungar Basin is an ancient continental plateau, and the core of the continental platform is a very ancient Precambrian period dating back 600 million years.
Crystalline rock formations. The basin has maintained a subsidence state for a long time, and has deposited shallow marine limestone and continental fluvial-lacustrine sandstone and mudstone.
conglomerate, etc. Coal, oil and petrified wood, dinosaurs, fish and shellfish in the strata of the Jungar Basin.
and other paleontological fossils, which record and preserve the magnificent geological development history of the basin, which can be called a rare "prehistory."
Geological Museum".
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Located in the northern part of Xinjiang Uygur Autonomous Region, between the Tianshan Mountains and the Altai Mountains, the Jungar Basin is a slightly triangular closed inland basin. The Jungger Basin is about 700 kilometers long from east to west, about 450 kilometers wide from north to south, and covers an area of 300,000 square kilometers.
The Jungar Basin is a typical wind-erosion landform.
The Junggar Basin is the second largest basin in China, second only to the Tarim Basin.
The terrain of the Junggar Basin is high in the east and low in the west, and the altitude of the starvation core bends between 500 and 1000 meters.
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The Junggar Basin is located in the Junggar Boundary Mountains in the northwest, the Altai Mountains in the northeast, and the North Tianshan Mountains in the south, which is a slightly triangular closed inland basin, with a length of 700 kilometers from east to west, a width of 370 kilometers from north to south, and an area of 130,000 square kilometers. The belly of the basin is the Gurbantunggut Desert, which accounts for 36 9 of the total area of the basin. The second largest basin in China.
It is located in the northern part of Xinjiang Uygur Autonomous Region, between the Tianshan Mountains, the Altai Mountains and the western mountains, and is an unequal triangle. It is 1,120 kilometers long from east to west and about 800 kilometers wide from north to south. It covers an area of about 380,000 square kilometers and is 500,1000 meters above sea level (the elevation of Lake Abbey in the southwest of the basin is only 190 meters), and it is high in the east and low in the west.
The western part of the basin has a mountain range up to 2000 meters, many gaps, and the northwest wind blows into the basin, and the winter climate is cold, and the rain and snow are abundant. The edge of the basin is a foothill oasis, with a warm period of about 140 170 days when the average daily temperature is greater than 10, and the cultivated crops are more than one year to crop, rich in cotton and wheat. The central part of the basin is a vast grassland and desert (Kurbantunggut Desert), partly covered by shrubs and herbaceous plants, mainly ridged fixed and semi-fixed sand dunes trending north-south, and honeycomb dunes on the southern margin.
The alluvial fan plain on the southern margin of the basin is vast and is a newly reclaimed agricultural area. Rivers originating in mountainous areas are fed by glaciers and snowmelt water, and the water volume changes steadily, and the water supply guarantee rate for agriculture is high. In addition to the Irtysh River flowing into the Arctic Ocean, inland rivers such as Manas and Ulungu mostly flow into the basin and become lakes (such as Lake Manas, Lake Ulungu, etc.).
The pastures are vast and there are herds of cattle and sheep. The Junggar Basin is rich in oil, coal and various metal deposits, and Karamay in the western part of the basin is the largest oil field in China. The Altai Mountains in the north are abundant**.
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The Jungger Basin, a basin in China's Inner Mongolia Autonomous Region, is one of the largest desert basins in China and one of the largest quicksand lands in the world. It is located in the north-central part of the Inner Mongolia Autonomous Region, between 102°-110°E longitude and 38°°-45°N, with a total area of about 600,000 square kilometers.
The topographic characteristics of the Junggar Basin are mainly manifested in the following aspects:
First, the terrain is undulating and undulating. The terrain in the basin is undulating, with an average altitude of about 1,000 meters, the highest point of the terrain is the Ordos Mountain at an altitude of 2,801 meters, and the lowest point is the Jungger Banner at an altitude of about 500 meters. There are many mountain ranges in the basin, including the Ordos Mountains, Yan Mountains, Taihang Mountains, etc., which crisscross the interior of the basin, forming a spectacular landform landscape.
Second, the desert landform is dominant. Located in the desert zone of Inner Mongolia, Qiaoxiaoxian is a typical desert basin, with a large number of sand dunes, quicksands, deserts and other landforms distributed in the basin. These landforms are formed under the influence of natural forces such as river erosion and wind erosion in the basin, showing the magical charm of nature.
Third, there is a shortage of water resources. The Jungar Basin is located in an inland arid zone, with very limited precipitation and scarce water resources. Only a few rivers in the basin, such as the Yiwu River, the Irtysh River, and the Independence River, are traversed, and the water volume of the rivers is extremely small, and the area of the basin is relatively small.
Fourth, the climate is dry. The Junggar Basin is an inland arid region with a dry climate, little rain and no snow, and a large range of temperature changes. The basin is hot and dry in summer, cold in winter, and has a large temperature difference between day and night.
Dry storms such as northwest and northeast winds prevail in the basin, and the wind speed can reach more than 10, which has a great impact on local agricultural and animal husbandry production.
The uniqueness of the topographic characteristics of the Jungger Basin makes it an important object of physical geography research, and also provides a broad space for the development of local tourism and resource development.
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Located in the north of the Tianshan Mountains, it is commonly known as Northern Xinjiang. The climate is arid, with animal husbandry as the main focus, and oasis agriculture is developed. Petroleum resources are abundant.
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