Valles Marineris reaches depths of up to 7 kilometers (4 miles) and spans about 4,000 kilometers (2,500 miles) long. That’s about 20% of the diameter of Mars itself! With so much volcanic and tectonic activity going on there, the East African Rift Valley is a potent power source.
How deep is the East African Rift Valley?
It contains the Rift Valley lakes, which include some of the deepest lakes in the world (up to 1,470 metres (4,820 ft) deep at Lake Tanganyika).
Is the rift valley below sea level?
The Great Rift Valley ranges in elevation from c. 1,300 ft (395 m) below sea level (the Dead Sea) to c. 6,000 ft (1,830 m) above sea level in S Kenya. Erosion has concealed some sections, but in places, notably in Kenya, there are sheer cliffs several thousand feet high.
How was the African Rift Valley formed?
The East African Rift Valley, as the region is known, formed where the Somalian and Nubian plates are pulling away from the Arabian Plate. … The eastern branch formed around 25 to 30 million years ago, whereas the western branch formed only 10 to 15 million years ago — or at least that’s what scientists thought.
How long is the Great Rift Valley in Africa?
East African Rift System, also called Afro-Arabian Rift Valley, one of the most extensive rifts on Earth’s surface, extending from Jordan in southwestern Asia southward through eastern Africa to Mozambique. The system is some 4,000 miles (6,400 km) long and averages 30–40 miles (48–64 km) wide.
What is the largest rift valley in the world?
The largest and deepest rift valley yet discovered is not on Earth—it’s on Mars. Valles Marineris was formed millions of years ago, when the rocky Martian lithosphere was still rifting and shifting. Valles Marineris reaches depths of up to 7 kilometers (4 miles) and spans about 4,000 kilometers (2,500 miles) long.
How fast is Africa splitting apart?
The three plates are separating at different speeds. The Arabian plate is moving away from Africa at a rate of about 1 inch per year, while the two African plates are separating even slower, between half an inch to 0.2 inches per year, according to Macdonald.
What countries does the Great Rift Valley extend through?
The Rift Valley consists of a group of independent interior basins, extending from Djibouti in the north to Tanzania in the south, nearly half being located in Ethiopia.
|Name of basin||Total area of basin||Area in the country|
|Southern lakes:||178 800|
What is the African Rift Zone?
A narrow zone, the rift is a developing divergent tectonic plate boundary where the African Plate is in the process of splitting into two tectonic plates, called the Somali Plate and the Nubian Plate, at a rate of 6–7 mm (0.24–0.28 in) per year.
Why is the Great Rift Valley important to Africa?
The Rift Valley is home to the deepest lakes in East Africa, including Lake Turkana in Kenya. The rapidly eroding highlands have filled the valley with sediments which create a favorable environment for fossil preservation.
Does the Great Rift Valley have volcanoes?
Researchers are to assess largely uncharted volcanoes in the East African Rift Valley, home to vast mammal migrations, mountain gorillas, spectacular peaks and fertile plains. The region’s volcanoes, numbering more than 100, are shrouded in mystery. … Prior to its eruption, the volcano was believed to be dormant.
Who Discovered the Great Rift Valley?
The Great Rift was discovered almost hundred years ago by an intrepid geologist. John “Jack” Walter Gregory was born in London in 1864.
Which location is on a major rift valley?
The most well-known rift valley on Earth is probably the so-called “Great Rift Valley System” which stretches from the Middle East in the north to Mozambique in the south. The area is geologically active, and features volcanoes, hot springs, geysers, and frequent earthquakes.
Why the Great Rift Valley in Africa is a good example of divergent convergence?
Great Rift Valley (The Best Example of a Divergent Boundary) … In a southwest direction, the fault continues as the Great Rift Valley, which split the older Ethiopian highlands into two halves. In eastern Africa, the valley divides into the Eastern Rift and the Western Rift.
How does Rift Valley fever affect the body?
Rift Valley fever (RVF) is a viral zoonosis that primarily affects animals but also has the capacity to infect humans. Infection can cause severe disease in both animals and humans. The disease also results in significant economic losses due to death and abortion among RVF-infected livestock.
Which lakes are part of the Great Rift Valley?
Eight of these make up the main lakes in the Kenyan Rift Valley. From north to south, the names of these lakes are Lake Turkana, Lake Logipi, Lake Baringo, Lake Bogoria, Lake Nakuru, Lake Elmenteita, Lake Naivasha, and Lake Magadi. Of those eight, only Lakes Baringo and Naivasha are fresh water.