(24) In a location where slate is found there once was a) mud b) beach sand c) b

Question

(24) In a location where slate is found there once was

a) mud

b) beach sand

c) basalt

d) conglomerate

(25) How does the difference between P and S wave travel times change with distance from the epicenter?

a)It increases

b)It decreases

c)It remains constant

d)It varies randomly

(26) The Richter scale is a measure of what?

a)Extent of damage that an earthquake causes

b)The extent of ground motion at the epicenter

c)The amount of energy generated by the earthquake

d)Amplitude of ground motion 100 km from the epicenter

(27) A fault is an example of what type of response to stress?

a)Brittle behavior

b)Plastic deformation

c)Elastic behavior

d)Ductile behavior

(28) After erosion, a syncline can be identified because the rocks dip __________ and the ____________ rocks are in the center.

a)towards the center and the youngest rocks are in the center

b)away from the center and the youngest rocks are in the center

c)towards the center and the oldest rocks are in the center

d)away from the center and the oldest rocks are in the center

(29) A drainage divide

(a) separates one watershed from another                     

(b) is commonly a mountain range         

(c) can be a major continental divide      

(d) all of the above

(30) A schist indicates where there was a

(a)mountain in the past

(b)continental rift in the past

(c)where there is currently an island arc

(d)a mid-ocean ridge in the past

(31) Continental material (choose incorrect answer)

(a)is generated at mid-ocean ridges

(b)is mainly andesite

(c) cannot be subducted

(d) moves around with the plate it is attached to.

(32) Reverse faults are associated with

a) mid-ocean ridges

b)continental hot spots/rifting

c)mountain building

d) lithification

(33) A lahar is most likely to form

a)in Japan

b)at the mid-Atlantic ridge

c)in the Himalayas

d)in Texas

(34) Soil creep is caused by

a) freezing and thawing of water between grains of sediment

b) sudden failure of concave slopes

c)a sudden volcanic eruption

d)an avalanche in glacial regions

(35) The mineral andalusite (Al2SiO5) could have formed

a) from precipitation in seawater

b) from a basalt with low Al content

c) during metamorphism of shale

d) from an Al-poor meteorite when it impacted the Earth

.

(36) Which of the following are not needed to form major glaciations?

a)High mountain ranges must lie in high latitudes.

b)Much of the continental regions must drift to high latitudes.

c)Ocean currents should not carry heat to high latitudes

d)Pluvial conditions must occur at high latitudes

(37) Beach sand

a)was brought in by wave action from the continental slope

b)is found close to its source

c)can only be produced by mechanical weathering of sandstone

d)continues to be broken down in the surf zone

(38) Mud consists mainly of

(a) quartz

(b) basalt

(c) clay

(d) sand-sized particles

(39) Polar wander

(a) indicated that continents moved         

(b) indicated that the Earth

Explanation / Answer

24. a

25.a

26.c

27.a

28.a

29.d

30.a

31.c

32.c

33.a

34.a

35.c

36.b,d

37.c

38.a

39.a

40.a

41.a

42.a

43.d

44.b

45.a

46.b

47.b

48.a

49.b

50.d

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