Exam 10: Deformation, Mountain Building, and Earthapos;s Crust

Fault breccia is a ____.

At an oceanic - oceanic plate boundary, a subduction complex, also called a(n)____, is formed.

Domes and basins resulting from deformation ____.

Differential movement on faults has produced uplifted blocks called ____ and down-dropped blocks called ____.

Strain is ____.

The vast mountain ranges on the continents form mostly at ____________________ plate boundaries.

On a geologic map, the number adjacent to the strike and dip symbol is the ____.

Continents grow by a process called ____.

____ occurs when Earth's crust rises back up to its equilibrium level after the unloading of glaciers or sediments.

Only igneous and sedimentary rocks can be deformed.

The term geologic structure is a general term. List and define three (3)major categories of geological structures and briefly explain how each might have been formed.

Strike-slip faults are caused by ____________________ forces.

Explain how Earth's crust is similar to an iceberg and how this helps explain the principle of isostacy.

The idea that sediments accumulate in horizontal or nearly horizontal layers is known as the ____________________.

The Andes of South America are the best example of continuing orogeny at an oceanic-continental plate boundary.

A thrust fault ____.

Both deformation and strain refer to changes in the shape or volume of rocks.

The special symbol to indicate a strike on a geologic map is a ____.

Most plastic deformation of rocks occurs deep within the crust.

Rocks will respond differently in respond to strain and location. Explain. Use the terms ductile and brittle in your explanation.