Abyssal plains are large, flat features that cover about one third of the planet.
<h3>What are Abyssal plains?</h3>
- The broad, flat, sediment-covered regions of the deep ocean floor are known as abyssal plains.
- They have a slope of less than one foot of height variation for every thousand feet of travel, making them the flattest, featureless places on Earth.
- When tectonic plates separate, magma rises and forms new crust, filling the space that was left between the plates.
- When sediments from the shoreline pass over the continental shelf, tumble down the continental slope, and deposit on top of the more recent oceanic crust, they create an abyssal plane.
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1. Djibouti
2. Eritrea
3. Ethiopia
5. Somalia
Explanation:
The Horn of Africa is part of the African continent that has the shape of a horn, thus the name of it. It is located in the northern part of Eastern Africa. The area is mostly dominated by a high plateau, while the coastal parts have coastal plains. The four countries that occupy territory on the Horn of Africa are:
- Djibouti
- Eritrea
- Ethiopia
- Somalia
Ethiopia is the largest country in this part of Africa, and it occupies the central and western parts of it. Somalia is the second largest country here, and it occupies the majority of the eastern coast. Eritrea an Djibouti are the two smaller countries on the Horn of Africa, occupying its north and northeastern part.
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These are the land formation associated with the fault processes.
Block mountains- this is a raided highland,fault bordered block which occur due to raising up of block during faulting. Uplifted or raised block may be tilted to form tilted block or may be horizontal to form Horst. example of block mountains include mountain such as black forest in German and Ruwenzori in Uganda.
Rift valley it is major landforms , resulting from the lowering of relatively narrow strip of rock between parallel faults. The most impressive rift valley system in the world is the great rift valley of Africa which extend for over 7600 km from near to Beira in Mozambique to gulf of Aquaba into Jordan.. rift valley can be formed by both tension and compression forces.
Fault steps-these form when a series of parallel faults develop in the region and land between these faults is uplifted at different levels.the land scape forms a series of fault scarp that looks like steps. a good example can be seen at Kijabe west of Nairobi and the Malawi rift
Basin and plateaus- These features result from warping o the earths crust. Uplifted areas due to wraping which have high level or undulating landforms is called plateaus while depressed areas forms basins. Examples of plateaus and basins include lake Victoria basin in east Africa Deccan plateau and Bolivian plateau