正在加载视频...

视频加载失败

How mountains are made

6,310,805 次观看 • 1 年前 •via X (Twitter)

7 条评论

The Dogefather🌕 的头像
The Dogefather🌕1 年前

Mountains are formed through various geological processes, which can be broadly categorized into three types: volcanic, tectonic, and erosional. Here's a step-by-step explanation of each process: Volcanic Mountains: 1. Underground Magma Chamber Formation: - A hotspot or a subduction zone forms deep within the Earth's crust, where magma (molten rock) accumulates in a chamber. - This magma is formed by the melting of the Earth's mantle due to heat from the core or the friction between tectonic plates. 2. Magma Rise: - The pressure within the magma chamber builds up, causing the magma to rise towards the surface through cracks and fissures. 3. Volcanic Eruption: - When the magma reaches the surface, it erupts, releasing lava, ash, and gases into the air. - The lava cools and solidifies, forming a volcanic cone or mountain. Tectonic Mountains: 1. Plate Tectonics: - The Earth's crust is made up of several large, rigid plates that float on the semi-fluid mantle. - These plates move, collide, or separate due to convection currents in the mantle. 2. Plate Collision: - When two plates collide, the denser oceanic plate is forced beneath the lighter continental plate in a process called subduction. - This causes the continental plate to crumple and fold, forming mountains. 3. Mountain Building: - The folded rocks are lifted upwards, forming a mountain range. - The process of mountain building is called orogeny. Erosional Mountains: 1. Plate Tectonics: - The Earth's crust is made up of several large, rigid plates that float on the semi-fluid mantle. - These plates move, collide, or separate due to convection currents in the mantle. 2. Plate Uplift: - When two plates collide, the resulting mountain range is uplifted and exposed to the elements. 3. Erosion: - Over millions of years, the mountain range is subjected to weathering and erosion from wind, rain, and ice. - This erosion can wear down the mountains, creating valleys and exposing the underlying rock layers. 4. Mountain Formation: - The eroded material is carried away by rivers and deposited in other areas, leaving behind the remaining mountain. These processes can occur individually or in combination to form the various types of mountains we see on Earth today. ⛰️

Geography Host 的头像
Geography Host1 年前

The Himalayas, Tibetan plateau, and Indian subcontinent seen from space. (Credit: NASA Johnson)

Mahatma Gandhi (Parody) 的头像
Mahatma Gandhi (Parody)1 年前

how himalayas are formed 😯

Нягтлан бодогч нь байна аа 的头像
Нягтлан бодогч нь байна аа1 年前

You can see it from some places 😊😊😊

CRICKET FACTS 的头像
CRICKET FACTS1 年前

Ford Mustang GT500 from 1967.

*P42* 的头像
*P42*1 年前

Did God tell you this?

sad phở 的头像
sad phở1 年前

ok now show me how hot dogs are made...

相关视频