Exam 21: Structural G Eology and P Late Tectonics

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

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

What type of faulting is expected along transform faults?

The lithospheric plates are believed to be put into motion by the driving force of ______________ cells in the asthenosphere.

The point of the initial energy release of an earthquake is called the

Folded rock layers that resemble an arch are called

Large fractures in Earth's surface that are associated with movement of lithospheric plates are called ______________.

Wyoming's Grand Tetons are examples of ______________ mountains.

The basic mechanism for plate movement is thought to be

An earthquake of what magnitude on the Richter scale is the smallest felt by humans?

Earth's core is believed to be composed of

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

Seafloor spreading occurs along ______________.

Folded rock layers that resemble a trough are called ______________.

Strike-slip faulting takes place along the ______________ boundary of two plates.

In 1960,______________ proposed the concept of seafloor spreading.

The type of plate boundary at which one plate collides with another and subduction occurs is called ______________.

In the early 1900s,a scientist named ______________ revived the idea of continental drift.

The Andes Mountains in South America are examples of ______________ mountains.

The three principal types of mountain building are fold,volcanic,and ______________.