Geology Final

1.

1 point

Rock layers that are turned downward like a frown are called?

Anticlines

Monoclines

Synclines

Recumbent Folds

2.

1 point

Conglomerates form from material deposited on talus slopes.

True

False

3.

1 point

A crack in a rock without movement is called _______?

a fault

a joint

cleavage

none of the above

4.

1 point

Shales are composed of _______ size particles.

Cobble

Clay

Silt

Sand

5.

1 point

Which is thought to be the composition of the inner core?

Dense forms of crystalline iron and nickel

Dense forms of solid iron and magnesium silicates

Dense forms of liquid iron-nickel-sulfur alloy

Dense solid forms of uranium and other radioactive elements

6.

1 point

According to the principle of faunal succession fossils become less complex as the Earth becomes older.

True

False

7.

1 point

Radio carbon dating is best used for rocks older than 100,000 years.

True

False

8.

1 point

A fault that has mostly horizontal movement is a ______ fault.

dip-slip

horst

strike-slip

thrust

9.

1 point

The Earth's magnetic field is the result of

a magnetic crystal in the core

Magnetic minerals in the ocean crust

convection cells in the asthenosphere

movements in the outer core

10.

1 point

Continental crust is generally thinner than oceanic crust.

True

False

11.

1 point

The crust of North America is rising 3 feet per year due to

Isostacy

all of the above

Crustal loading

plate tectonics

12.

1 point

A thrust fault is a strike-slip fault.

True

False

13.

1 point

The pieces that make up the lithosphere are

the asthenosphere

plates

continents

all of the above

14.

1 point

A penny has a hardness of 3.5

True

False

15.

1 point

Slow cooling of magma will result in a/an _______ igneous rock.

Pyroclastic

Aphanitic

Porphyritic

Glassy

Phaneritic

16.

1 point

The Earth is estimated to be approximately ____ years old by radiometric techniques.

100 million

4.6 million

3.5 billion

4.6 billion

17.

1 point

Carbon-14 is formed from Carbon-12 by cosmic rays in the upper atmosphere.

True

False

18.

1 point

The first person to determine the circumference of the Earth was?

Pythagorus

Eratosthenes

Lemaitre

Plato

19.

1 point

Barrier islands are thought to be beaches during the last ice age.

True

False

20.

1 point

On the basis of seismic evidence, the outer core is believed to be plastic.

True

False

21.

1 point

Carbon-14 dating could be used for determining the age of some

meteorites

salt deposits

limestones

all of the above

22.

1 point

Secondary waves move the surface horizontally and cause the most damage to structures.

True

False

23.

1 point

Pelean eruptions are the most violent.

True

False

24.

1 point

Rayleigh waves move in a rolling motion.

True

False

25.

1 point

Chert and Flint are rocks made of ______

iron Oxide

Calcium Carbonate

Clay Minerals

Quartz

26.

1 point

Ship Rock is an example of a/an_____

Extinct Volcano

Caldera

Horst

Flood Basalt

27.

1 point

Which of the following is the least effective sorting agent?

Wind

Water

Ice

All are good sorting agents

28.

1 point

A sandstone composed mainly of quartz would indicate the material was transported a long distance.

True

False

29.

1 point

__________ and __________ dated the Earth using the Bible.

Herodotus, Ussher

Hutton, VeHMIN

Lightfoot, Ussher

Hutton, Lightfoot

30.

1 point

All of the following are examples of shield cones except

associated with hotspots

<1000 feet high

angle of slope less than 15 degrees

made mainly of basalt

31.

1 point

______ are rythmic sloshing of water in lakes or dams after an earthquake

seismic waves

precursers

seiches

sashays

32.

1 point

Scientists have developed ways to accurately predict earthquakes.

True

False

33.

1 point

This part of the Earth makes up 1% of the volume.

Crust

Mantle

inner core

Moho

34.

1 point

A method for predicting earthquakes would need to incl?ude

geographic area, time the earthquake will occur, and magnitude

time the earthquake will occur, magnitude, and intensity

time the earthquake will occur, magnitude, and evacuation routes

geographic area, time the earthquake will occur, and intensity

35.

1 point

Tsunamis are extremely high tides.

True

False

36.

1 point

The Definition of mineral does not include which substance?

Gemstones

Gold

Coal

All of the above

37.

1 point

Beaches are low energy transitional depositional environments.

True

False

38.

1 point

All of the following are true of radon gas except

found mainly in areas underlain by black shale, limestone, and granite

is odorless, colorless, but can be easily eliminated through ventilation

causes lung cancer

is the result of radioactive decay of oxygen to beryllium

39.

1 point

Primary seismic waves cannot pass through liquids.

True

False

40.

1 point

Using the accumulation of sediments Kelvin determined the earth to be 70 million years old.

True

False

41.

1 point

This term refers to the size, shape, arrangement of mineral grains.

Aphanitic

Glassy

Phaneritic

Texture

Pyroclastic

42.

1 point

Topaz has a hardness of 5.

True

False

43.

1 point

The steep cliff that results from faulting is called a?

scarp

horst

graben

Slickensides

44.

1 point

A mineral that exhibits concoidal fracture is

Quartz

Pyrite

Calcite

All of the Above

45.

1 point

All of the following are true of secondary waves except

travel about half as fast as primary waves

cannot travel through liquids

are transverse

are compressional

46.

1 point

The continental crust makes up the greatets volume of the Earth.

True

False

47.

1 point

All of the following are true of the Richter scale except

is a logarithmic scale

based on information from seismographs

is inaccurate for small earthquakes

need trained personal and expensive equipment

48.

1 point

Cosmic dating could be used to date rocks on the ocean floor.

True

False

49.

1 point

A _______ exhibits well-rounded particles in a fine matrix.

Conglomerate

Breccia

Arkose

Shale

50.

1 point

Limestone is a clastic sedimentary rock.

True

False