Exam 21: Structural G Eology and P Late Tectonics

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

Which of the following is not a general type of faulting?

Studies of remanent magnetism in rocks spreading from the Mid-Atlantic Ridge reveal symmetric bands of magnetic anomalies.These anomalies provide

The lowest places on Earth's surface are called __________ trenches.

The lithosphere "floats" on the asthenosphere,and the parts of lower density float higher.This state of buoyancy is called

A(n)______________ is manifested by the vibrating and sometimes violent movement of Earth's surface.

Earth's inner core is

A(n)______________ is manifested by the vibrating and sometimes violent movement of Earth's surface.

The Alps are examples of which type of mountain?

The radius of Earth's mantle is about

Earth's radius is about

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

What type of forces result in strike-slip faulting?

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

The sharply defined boundary that separates the crust from the mantle is called ______________.

The radius of Earth is about __________ mi.

The sharply defined boundary that separates the crust from the mantle is called the ______________.

The three types of plate boundaries are convergent,divergent,and ______________ boundaries.

The layer of rock immediately below the lithosphere is called the

A(n)______________ fault occurs as the result of compressional forces.