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Questions and Answers
What was the major geologic activity during the Cenozoic Era that contributed to the making of the present-day landmass of Ethiopia and the Horn of Africa?
What was the major geologic activity during the Cenozoic Era that contributed to the making of the present-day landmass of Ethiopia and the Horn of Africa?
- Quaternary volcanism and deposition
- Elevation of the Andes Mountains
- Uplifting of the Arabo-Ethiopian landmass and outpouring of lava flood (correct)
- Formation of the Rift Valley
During which epoch did the uplifting of the Arabo-Ethiopian landmass reach a maximum height of 2,000 meters above sea level?
During which epoch did the uplifting of the Arabo-Ethiopian landmass reach a maximum height of 2,000 meters above sea level?
- Paleocene
- Oligocene
- Eocene (correct)
- Upper Jurassic
What characterized the uplifting of the Arabo-Ethiopian landmass during the Cenozoic Era?
What characterized the uplifting of the Arabo-Ethiopian landmass during the Cenozoic Era?
- It was of volcanic origin
- It was epeirogenic in nature (correct)
- It was a seismogenic character
- It was due to glacial movements
Which region experienced the greatest uplift during the tectonic and volcanic activities in the Cenozoic Era?
Which region experienced the greatest uplift during the tectonic and volcanic activities in the Cenozoic Era?
What geologic process resulted from the immense tectonic force that fractured the crust during the Cenozoic Era?
What geologic process resulted from the immense tectonic force that fractured the crust during the Cenozoic Era?
Which comparable geological feature to the uplifting in Ethiopia is mentioned in the text?
Which comparable geological feature to the uplifting in Ethiopia is mentioned in the text?
What geological event led to the formation of the Ethiopian plateau?
What geological event led to the formation of the Ethiopian plateau?
How did the formation of the Rift Valley relate to plate tectonics theory?
How did the formation of the Rift Valley relate to plate tectonics theory?
What geological process is responsible for the formation of the Rift Valley?
What geological process is responsible for the formation of the Rift Valley?
How did the Red Sea and Gulf of Aden connect in the past?
How did the Red Sea and Gulf of Aden connect in the past?
What geological event characterized the late Oligocene and Miocene Epochs?
What geological event characterized the late Oligocene and Miocene Epochs?
What caused the central part of the landmass to collapse and form a structural depression like the Rift Valley?
What caused the central part of the landmass to collapse and form a structural depression like the Rift Valley?
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