Geology chapter 9

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

strike slip

In a ____________ fault, the hanging wall block move up with respect to the footwall block.


In thrust faulting, ____________.

the crust is shortened and thickened

A graben is characterized by ____________.

a hanging wall block that has moved down between two normal faults

The mountains and valleys of the Basin and Range Province of western United States formed in response to ____________.

tensional stresses and normal-fault movements

In a normal fault ____________.

the hanging wall block above an inclined fault plane moves downward relative to the other block

A transform fault is ____________.

a strike-slip fault that forms the boundary between tectonic plates

Brittle deformation would be favored over plastic deformation in which of the following conditions?

cooler temperatures

A thrust fault is best described as ____________.

a low-angle, reverse fault

A horst is ____________.

an uplifted block bounded by two normal faults

A syncline is ____________.

a fold in which the strata dip toward the axis

The Black Hills of South Dakota are a good example of a(n) __________.


Large circular downwarped structures are called __________.


Which of the following combinations should favor folding rather than faulting?

high temperature and high confining pressure

Tensional forces normally cause which one of the following?

normal faults

The ____________ in California is the boundary between the North American and Pacific plates.

. San Andreas strike-slip fault

A(n) ____________ is a thick accumulation of sediments and small, tectonic blocks formed of material scraped off a descending, lithospheric plate.

accretionary-wedge complex

The Sierra Nevada, CA, and Teton, WY ranges are examples of ____________.

fault blocks uplifted by late Tertiary to Quaternary normal faulting

A good example of a present-day passive continental margin is the …

east coast of North America.

The __________ are a geologically old mountain range folded and deformed during the Paleozoic.

Appalachians in the eastern United States

The term __________ refers specifically to geologic mountain building.


Which one of the following is an example of an isostatic movement?

Uplift of areas recently covered by thick, continental ice sheets.

Folded limestones that occur high in the Himalayas were originally deposited as sediments in a …

marine basin between India and Eurasia.

The concept that rocks of the crust and upper mantle are floating in gravitational balance is known as __________.


Which one of the following stress situations results in folding of flat-flying, sedimentary strata?

Horizontally directed, compressive stress

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