Exam 21: Structural G Eology and P Late Tectonics

Alfred Wegener speculated that the present continents were once part of a single supercontinent that he named

The part of the mantle located directly below the lithosphere is called the ______________.

______________ mountains are believed to have been built by normal faulting in which giant pieces of Earth's crust were tilted and uplifted.

The Andes are examples of which type of mountain?

Longitudinal seismic body waves are known by the letter ______________.

Earth's core is believed to be composed of

Earth's radius is about ______________ mi.

The discovery of seafloor spreading led to acceptance of the theory of

The place, or zone, where one plate descends under another plate and into the asthenosphere is called a ______________ zone.

A simplified explanation of mountain building is provided by the theory of

The idea of continental drift was not generally accepted when Wegener proposed it because

Longitudinal seismic body waves are known by the letter ______________.

Earth's mantle is

Evidence of seafloor spreading along the Mid-Atlantic Ridge is given by

Remanent magnetism refers to the magnetism of rocks that contain the mineral named ______________.

When an earthquake occurs, the location on Earth's surface above the point of initial energy release is called the earthquake's ______________.

A(n) ______________ ridge system stretches through the major oceans of the world.

The Japanese word tsunami means "______________ wave."

The rock on the upper side of an inclined fault plane is called the hanging wall, and the rock on the underside is called the ______________.

The three principal types of mountain building are fold, fault-block, and ______________.