[EESA06H3] - Final Exam Guide - Comprehensive Notes fot the exam (43 pages long!)

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Published on 30 Mar 2017
School
UTSC
Department
Environmental Science
Course
EESA06H3
Professor
UTSC
EESA06H3
FINAL EXAM
STUDY GUIDE
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Along the African Rift
East African Rift
Contains fossils that link directly to modern humans
The African plate is over a huge plume of magma which melts the bottom layer of the
plate causing the ground to ripple and tear. When subsided it causes a rift.
The formation and disappearance of lakes was due to repeated swings of climate
Volcanic and eruptions and earthquakes
Kenya
When lakes disappeared it helped humans evolve and adapt
Ethiopia
The afar’d?? depression
The Somalia plate is moving away from the African plate
Smoking mountain
Lava had been broken up into balls
Dalal Crater
Magma close to the surface
The volcanic activity reacts with salt deposits
Cradle of life
Magma is very close to the surface
Bacteria here is the oldest life forms
Fissures
Urta Alley
Ali Abdala village
Shield Volcano(Don't explode, rather flow like blood across the landscape)
When a volcano dies it brings up sulfur gases..brings up minerals
Only 4 active lava lakes in the world
The darker the lava the more recent the eruption
The magma in the fissures pushes the African and Somalian plates apart.
Egypt
Used red granites
Obelisks
The Dead Sea Rift
Petra (Used to be a trade central)
Arabian plate has a lot of erosion
Petra was abandoned in 500 AD
Between the Somali, Arabian, and African plate
Pink sediments
The dead sea now is a small lake
Lisan Formation
The alternating layers in the sediment show seasonal flows of the ancient dead
sea
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30 separate earthquakes
10,000 years of intense activity...10,000 of less activity
20th century will have a lot of seismic activity
Masanna
Fort built when the jewish went to war with the romans
Earthquake evidence
African plate is being driven North
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Document Summary

Contains fossils that link directly to modern humans. The african plate is over a huge plume of magma which melts the bottom layer of the plate causing the ground to ripple and tear. The formation and disappearance of lakes was due to repeated swings of climate. When lakes disappeared it helped humans evolve and adapt. The somalia plate is moving away from the african plate. Lava had been broken up into balls. The volcanic activity reacts with salt deposits. Magma is very close to the surface. Bacteria here is the oldest life forms. Shield volcano(don"t explode, rather flow like blood across the landscape) When a volcano dies it brings up sulfur gasesbrings up minerals. Only 4 active lava lakes in the world. The darker the lava the more recent the eruption. The magma in the fissures pushes the african and somalian plates apart. Petra (used to be a trade central) Arabian plate has a lot of erosion.

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