Exam 17: Earth History

The ____________________ orogeny that occurred in the Cordilleran mobile belt was caused by ____________________.

How did the landmass called Laurentia come together?

When and where did the Antler orogeny occur?

Pangaea was formed from tectonic plates and ____________________.

What is the origin of the present topography of the Appalachian Mountains?

During the breakup of Pangaea,the eastern margin of North America went first through a passive margin stage and then through a rift margin stage.

What were three major mobile belts in North America in the Paleozoic?

The Himalayan Range formed as a result of:

How does the Absaroka sequence differ from the Kaskaskia sequence? What do these differences mean for the environment of the time?

A cratonic sequence is recognized by a:

The first major transgression onto the North American continent is recorded in rocks of the ____________________ sequence.

The Mesozoic Era orogenies of the Cordillera:

The craton can be divided into two components,which are a(n):

What are mobile belts of a continent?

Archean continental masses were smaller but of the same configuration as those of the modern world.

The Gulf of Mexico began to form in the ____________________ Period.

How and when did Florida form?

What is the basic difference between the Archean and the Proterozoic?

Continental growth during the Early Proterozoic development of Laurentia was related to ____________________ of ____________________-age cratons.

The Grenville orogeny was the culminating event of the amalgamation of Laurentia.