Exam 20: Mineral and Energy Resources

Which one of the following is consistent with deformation by folding?

In a____________ fault, the hanging wall block moves up over the footwall block.

Vertical displacements along dip- slip faults can produce long low breaks in the landscape or cliffs called____________ , that can show the relative sense of motion across the fault.

What kind of faults occur where the crust is being compressed?

_______joints form when igneous rocks cool and develop pillar- like columns .

A thrust fault has_______ .

Which is not evidence of former structural deformation or major tectonic forces that affected rocks of continental interiors?

Most crustal deformation occurs in active tectonic zones _________.

A __________fault has little or no vertical movements of the two blocks.

Which one of the following would not be a characteristic of the San Andreas fault zone?

What kind of stress creates most fold belts?

A graben is characterized by_________ .

A horst is ___________.

When folding occurs, rocks situated in the hinges (on the axes) of the folds are____________ .

In a normal fault ______.

The___________ in California is the boundary between the North American and Pacific lithospheric plates.

During mountain building episodes, originally flat lying sedimentary and volcanic rocks are often bent into a series of __________.

Considering the largest earthquakes to occur along the San Andreas Fault, which was the most damaging?

When an overturned fold lies on its side it is called ________.

A ______________ is a planar fracture in rock along which there has been no displacement .