Exam 11: Late Paleozoic Earth History

Global warming is caused in large part by the use of nuclear energy.

The most abundant rock type deposited during the Kaskaskia sequence was ____.

The end of a cyclothem cycle is marked by an erosional unconformity on marine sediments.

____ commonly contain coal beds.

The characteristic type of sedimentary rock shed off of the Ancestral Rockies uplift blocks was black shale.

Deposits in western North America and central Europe that indicate arid conditions on the Pangaea supercontinent include ____________________ and ____________________.

Anthracite is a bituminous  coal that has not been exposed to very much heat or pressure.

The Catskill Delta has three times more sediment than the Queenston Delta. This indicates that ____.

During the Permian Period, the Permian Basin in west Texas was distinguished by____.

____________________ consist of alternating layers of marine and non-marine rocks.

The Acadian orogeny was accompanied by the closing of the Iapetus Ocean.

Panthalassa was a global ocean surrounding Pangaea.

Which environments would be represented in a cyclothem?

Discuss and describe the evidence for glaciation on Gondwana during the Late Paleozoic.

Discuss the environmental conditions required for the formation of organic reefs.

What is the order of Paleozoic sequences, from oldest to youngest?

Write a short essay describing and discussing cyclothems. What are they composed of and what do they indicate about the near-shore environment? Why are they distinguished by coal deposits?

How did the sedimentary environments of the Kaskaskia sequence differ from those of the Absaroka sequence in North America?

During the Cambrian Period, the Ancestral Rocky Mountains and associated basins began to form in the western part of North America.

Discuss the paleogeography and tectonic history of the Appalachian mobile belt.