Exam 17: Earth History

The rapid rate of plate motion was probably the most important factor in rapid continental growth in the Late Archean.

What are believed to be the causes of global transgressive and regressive cycles?

What was the Sundance Sea?

Name the two periods into which the Cenozoic is divided.

What caused the Alpine orogeny?

Briefly describe the geologic history of the North American Cordillera.

The orogens along the west coasts of the Americas,the eastern margin of Asia and the islands north of Australia and New Zealand are part of the _________________________.

Archean and Proterozoic greenstone belts formed in similar tectonic settings.

During the Pleistocene of North America,there were at least ____________________ glacial stages.These stages,in order from oldest to youngest,are the ____________________,____________________,____________________,and ____________________.

In the Tippecanoe sequence,widespread carbonate deposition was related to the Taconic orogeny.

What was the name given to the most recent episode of large-scale deformation in the Cordillera,and when did it begin?

What is the origin of greenstone belts?

Weathering and erosion of the Acadian Highlands produced a clastic wedge known as the:

What geologic evidence can be found along the eastern margin of North America of the Triassic breakup of Pangaea?

When and where did the Acadian orogeny occur?

During the entire Paleozoic,the western margin of North America could be described as:

The three phases of the Cordilleran orogeny,in order from oldest to youngest,were the ____________________,____________________,and ____________________.

What was the tectonic evolution of western North America beginning with the Permian and through the Mesozoic?

In what two major zones or belts has Cenozoic orogenic activity been mainly concentrated?

Describe the history of the Pleistocene ice ages.