Ch 11 Test

Once their strength is exceeded, rocks near the surface behave like

• modeling clay
• most metals
• glass objects
• caramel candy

Which of the following is a characteristic typical of folding in sedimentary rock layers?

• Upfolds are called synclines
• Symmetrical folds are called monoclines
• Downfolds are called synclines
• Overturned folds have no trough

Which of the following can be produced at an ocean continental convergence?

• a continental volcanic arc
• a volcanic island arc
• a shrinking ocean basin
• a graben bounded by horsts

What is an accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust called?

• a dome
• a volcanic island arc
• an accretionary wedge
• a fault-block mountain

At a continent-continent convergence,

• ocean basins are forming
• volcanic mountains cannot form
• both continental plates are subducted
• folded mountains result

An example of a mountain range formed at divergent boundaries is...

• the Aleutian Islands in Alaska
• the Andes in South America
• the Ural Mountains in Russia
• the Mid-Atlantic Ridge

Which of the following is associated with the process of orogenesis at divergent boundaries?

• folded mountains
• ocean mountain chains
• horsts and grabens
• volcanic island arcs

Faults are generally closely associated with

• monoclines
• anticlines
• synclines
• symmetrical folds

Which of the following describes the movement of crust in a normal fault?

• Movement is mostly in a vertical direction
• Movement is mostly in a horizontal direction
• Movement occurs equally in a vertical and horizontal direction
• Movement results in the shortening of crust

Faults in which movement is horizontal and parallel to the strike of the fault surface are called

• reverse faults
• thrust faults.
• strike-slip faults
• normal faults