Mesozoic Era Geologic Processes Quiz

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What type of rock is associated with the flourishing of marine life during the Mesozoic Era?

Lime (correct)

Sands

Gypsum

Shale

What process affected the whole present-day Horn of Africa and Arabian landmass during the Mesozoic Era?

Volcanism

Deposition

Epeirogenesis (correct)

Erosion

What type of rock was compacted to form sandstone during the Mesozoic Era?

Sands (correct)

Gypsum

Lime

Shale

Which sea invaded the land starting from Somalia and Ogaden during the late Triassic period?

Arabian Sea Signup and view all the answers

What did the subsidence of the land during the Mesozoic Era lead to?

Invasion of sea Signup and view all the answers

What process occurred with the retreat of the sea in the Horn of Africa?

Deposition of clay, silt, sand conglomerate Signup and view all the answers

What are Mesozoic rocks considered to have the greatest potential for?

Oil and gas deposits Signup and view all the answers

Which rock surface formations were laid upon the Precambrian rock surface by the end of the Mesozoic Era?

Adigrat or lower sandstone, Hintalo limestone, Upper Sandstone Signup and view all the answers

Which direction did the age and thickness of the Sandstone layers vary during the transgression and regression of the sea?

Southeast - Northwest Signup and view all the answers

Where are the Mesozoic rocks found in Ethiopia?

Southeast lowlands Signup and view all the answers

What were the major geologic activities that occurred during the Cenozoic Era?

Uplifting of the Arabo-Ethiopian landmass and formation of the Rift Valley Signup and view all the answers

What effect did the tectonic and volcanic activities have on Ethiopia and the Horn of Africa during the Cenozoic Era?

Important effect in making the present-day landmass Signup and view all the answers

What was laid over the Hintalo limestone at last before the emergence of the land from the sea?

Sands Signup and view all the answers

Mesozoic Era Geologic Processes Quiz

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Questions and Answers

What type of rock is associated with the flourishing of marine life during the Mesozoic Era?

What process affected the whole present-day Horn of Africa and Arabian landmass during the Mesozoic Era?

What type of rock was compacted to form sandstone during the Mesozoic Era?

Which sea invaded the land starting from Somalia and Ogaden during the late Triassic period?

What did the subsidence of the land during the Mesozoic Era lead to?

What process occurred with the retreat of the sea in the Horn of Africa?

What are Mesozoic rocks considered to have the greatest potential for?

Which rock surface formations were laid upon the Precambrian rock surface by the end of the Mesozoic Era?

Which direction did the age and thickness of the Sandstone layers vary during the transgression and regression of the sea?

Where are the Mesozoic rocks found in Ethiopia?

What were the major geologic activities that occurred during the Cenozoic Era?

What effect did the tectonic and volcanic activities have on Ethiopia and the Horn of Africa during the Cenozoic Era?

What was laid over the Hintalo limestone at last before the emergence of the land from the sea?

Where were transitional formations like gypsum and shale interbedded during the Mesozoic Era?

What is covered by the Mesozoic rocks in most parts of Ethiopia?

Where are old marine sediments extensively found in Ethiopia?

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