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The Great Rift Valley of Africa

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by

Julia Bell

on 28 March 2014

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Transcript of The Great Rift Valley of Africa

The Great Rift Valley of Africa
Latitude and longitude: 0.1000 degrees South, 36.1000 degrees East
Runs south from Jordan through East Africa, and down to Mozambique in southern Africa (
also through Ethiopia, Kenya, and Tanzania
)
Approximately 6,000 km (3,700 mi) in length
Map
Natural Resources and Agricultural Production
Since the 1960's, poverty, hunger, drought, and increasing demand has caused over-use of natural resources
Trees are cut down for buildings, firewood, charcoal, and furniture
Ethiopia left 3% of the country's native forests untouched
Production- wood, tree products, honey, fruit, and grass
Deforestation- heavy rain events cause lowland areas to flood and mudslides that kill people and damage crops, roads, and bridges
Climate change has caused natural disasters and poverty for people who depend on agriculture
Location
Geological Features
Has 2 branches: The Western Rift Valley and the Eastern Rift Valley
The Western Rift Valley, also called the Albertine Rift, is edged by some of the highest mountains in Africa
Lake Victoria is considered to be part of the rift valley system although it actually lies between the 2 branches
Reasons for Geological Features
A rift valley forms when the Earth's crust, or outermost layer, is spreading or splitting apart
All African Great lakes were formed as a result of the rift and most lie within its rift valley
Is a result of the African and Arabian tectonic plates that began to separate 35 million years ago and the ongoing separation of East Africa from the rest of Africa along the East African Rift, which began about 15 million years ago.
Extra Information
Is 30 million years old
The Great Rift Valley is a name given in the late 19th century by a British Explorer, John Walter Gregory
"The Great Rift: Africa's Wild Heart", is a nature documentary movie about the Great Rift Valley of Africa
Related Geographic/Geologic Features
Geological Evidence
Contains some of the world's finest lakes, mountains, and plains
Some of the deepest lakes have been formed along the western rift
Volcanic mountains found along the rift include Mount Kilimanjaro, Mount Kenya, Mount Elgon, along with others
The original plate movement that formed the Great Rift Valley weakened the Earth's crust
Because of this, volcanic activity and earthquakes occur in this area
In a few million years, the eastern part of Africa will probably split off from the continent and form a new landmass
Economy, Government, and Population
Population-19.4 million people in Mozambique, 6.318 million in Jordan, and 135.4 million in East Africa (not necessarily all living near/in the Great Rift Valley of Africa)
There is not one specific type of government in this region since it goes through multiple countries, nor a specific economy, although much of Africa is suffering from hunger and poverty.
By: Julia Bell and Arianna Hemmings
Total number of people in Africa: 1.033 billion
Full transcript