What is rift valley? How to use in English

Definition & pronunciation of rift valley

rift valleynoun
thung lũng tách giãn
/ˈrɪft væli//ˈrɪft væli/

Where does the word rift valley come from?

The term "rift valley" refers to a geological feature that occurs as a result of tectonic plate movement. Rift valleys form at the boundaries of tectonic plates where they separate and move apart. The term "rift" comes from the Old Norse word "riftgöng," meaning a crack or gap, which describes the initial stage of rift valley formation. In this early stage, the earth's crust fractures, creating a linear depression or valley. The continental plates continue to move apart, eventually forming an expansive rift valley system through which magma rises and solidifies, creating new landmasses. Some of the most famous rift valley systems in the world include the East African Rift, the Andes Rift, and the Baikal Rift in Siberia. The formation of rift valleys is a slow process that can take millions of years. However, they are significant geological features that provide valuable insights into plate tectonics, volcanism, and the evolution of landforms. Additionally, they often harbor diverse ecological communities and unique flora and fauna that have evolved in response to the valley's distinctive environment.

Example of vocabulary rift valleynamespace

The Rift Valley in East Africa is a geological feature that spans over 3,000 miles and is home to some of the world's most stunning landscapes and unique wildlife.
The Great Rift Valley, as it is also known, was formed millions of years ago by tectonic activity and has given rise to some of the most fertile agricultural lands in the region.
The rift valley is characterized by its steep sides and deep basins, which have helped to create microclimates that support a diverse range of plant and animal species.
Some of the most famous national parks and game reserves in Africa, such as the Maasai Mara and Serengeti, are located within the Rift Valley.
The Rift Valley is not just a natural wonder, but also a site of geological and archaeological importance, with evidence of early human settlements dating back over 2 million years.