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What do rift valleys tell us about the sea floor and continent plates?
Rift valleys are evidence of divergent plate boundaries, where tectonic plates are moving apart. This process can result in the formation of new oceanic crust as magma rises to fill the gap, leading to the creation of sea-floor spreading centers. Rift valleys are also associated with volcanic activity and earthquakes as the Earth's crust is stretched and thinned.
Are rift valleys formed by the movement of the earth's crust?
Yes, rift valleys are formed by the movement of the Earth's crust, specifically through a process called tectonic activity. When tectonic plates diverge or pull apart, the land between them can sink, creating a low-lying area known as a rift valley. This geological feature is often characterized by steep sides and can lead to the formation of new geological formations, including lakes and volcanoes. Examples of rift valleys include the East African Rift and the Baikal Rift in Russia.
What is it when the earths crust splits apart a ravine called a what valley is formed?
When the earth's crust splits apart and a ravine is formed, it is called a rift valley. Rift valleys are created by the stretching and thinning of the Earth's crust, often associated with tectonic plate movements or volcanic activity. Examples of rift valleys include the East African Rift and the Rhine Valley in Europe.
Are rift valleys formed from normal faults?
Yes, rift valleys are typically formed by normal faults. In these geological formations, tectonic plates pull apart, causing the land between the faults to sink and create a valley. This process occurs due to extensional forces, leading to the characteristic steep sides and flat floors of rift valleys. Examples include the East African Rift and the Basin and Range Province in the western United States.
How and where are rift valleys formed?
The lithosphere of the continent bulges upward and is stretched sideways and eventually breaks and makes long crack known as a rift
How do rift valleys form?
rift valleys form by tension stress
What is the name of the long deep valleys that are formed by the movement of Earths crust?
rift valleys
Where are the rift valleys on earth?
The East African Rift Valley is a prominent example of rift valleys on Earth, running through countries like Ethiopia, Kenya, and Tanzania. Another well-known rift valley is the Great Rift Valley in Asia, which extends from Syria to Mozambique. These rift valleys are formed by tectonic plate movements that create deep valleys and high mountains.
What is a large system of rift valleys and mountain ranges?
Rift-block mountain
What long deep valleys are formed by the movement of the earths crust?
rift valleys
Why do Lakes form on the floor of rift valleys?
lakes form on the floor of a rift valley
What forms during oceanic-subduction?
Rift valleys
What lake located in Great Rift Valleys called?
no
Are rift valleys made by convergent boundaries?
No, rift valleys are typically formed by divergent boundaries, where tectonic plates are moving apart. As the plates separate, the Earth's crust stretches and breaks, creating a depression that forms the rift valley. This process can eventually lead to the formation of new ocean basins.
What part of Africa has many rift valleys?
The East African Rift Valley is the region in Africa known for having many rift valleys. It stretches over 3,000 kilometers from the Afar Triple Junction in Ethiopia to Mozambique in the south. It is where the African Plate is splitting into two separate plates, leading to the formation of rift valleys.
What is called the granddaddy of all the valleys carved by a river?
rift
Can rift valleys occur from the movement of the tectonic plates?
Yes
