Exam 21: Structural G Eology and P Late Tectonics

Earth's continental crust ranges in thickness from about

A description of the severity of the damage caused by an earthquake is given by its ranking on the ______________ scale.

The deflection of one lithospheric plate under another is called

Evidence for the existence for Pangaea includes

The two general types of earthquake waves are ______________ waves and body waves.

Earth's mantle is

Transverse seismic body waves are known by the letter ______________.

The Mohorovicic discontinuity is the boundary between

After a major earthquake,the rocks may continue to adjust to their new positions,causing additional vibrations called ______________.

The San Andreas fault in California is thought to be a boundary of two plates

One plate slides horizontally past another plate at the type of plate boundary called ______________.

Mountains characterized by folded rock strata are known as ______________ mountains.

Which is not a general classification of mountains?

A modern geologic theory that considers Earth's lithosphere to be made up of moving plates is known as

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

Alfred Wegener postulated that the continents were once part of a single supercontinent that he called ______________.

Earth's oceanic crust ranges in thickness from about

Geologic evidence that supports the theory of continental drift does not include

Seafloor spreading occurs along ______________.

Pangaea is believed to have broken up about how many years ago?