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Copper and Geological Layers

Total questions: 71

Worksheet time: 36mins

Name
Class
Date
1.
States that younger rocks lie above older rocks if the layers have not been disturbed
a)
Law of crosscutting
b)
Law of superposition
c)
Relative Dating
d)
Unconformity
2.
What are the relative ages of the features in order from oldest to youngest?
a)
Limestone, Basalt, Fault, Siltstone
b)
Siltstone, Fault, Basalt, Limestone
c)
Limestone, Fault, Basalt, Siltstone
d)
Limestone, Siltstone, Fault, Basalt
3.

What rock in the Oldest?

a)

Conglomerate

b)

Shale

c)

Breccia

d)

Sandstone

4.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
5.
The breaking down of rocks into smaller pieces is called _________.
a)
fossils
b)
weathering
c)
erosion
d)
intrusion
6.
Rock made from sediment compacted by the weight of sediment layers above are called __________ rock.
a)
intrusion
b)
metamorphic
c)
sedimentary
d)
volcanoes
7.
Scientists use ______ to help figure out geologic time.
a)
earthquakes
b)
plate tectonics
c)
rock layers
d)
erosion
8.
When sediment is moved around by wind or water it is called ________.
a)
erosion
b)
weathering
c)
relative
d)
fossils
9.
Which of the following rock layers is relatively the oldest?
a)
H
b)
P
c)
L
d)
M
10.
The Principle of Cross-Cutting Relationships states that an igneous intrusion is 
a)
always younger than the layers it cuts across
b)
always older than the layers it cuts across
c)
the same age as the rock it melted
d)
none of the answers are correct
11.
Letter "F" is a....
a)
inclusion
b)
intrusion
c)
fault
d)
unconformity 
12.
Relative age dating is used to determine the...
a)
actual age of an event
b)
length of time between two events
c)
age of one event in comparison with other events
d)
rate at which a gologic process occurs
13.
In which kind of rock do we usually find a fossil?
a)
sedimentary  rock
b)
metamorphic rock
c)
igneous rock
14.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
15.

How old do some scientists believe the Earth is?

a)

450 million years

b)

4.5 million years

c)

40 billion years

d)

4.6 billion years

16.
What does lava do out of hot spots?
a)
Harden into tiny pieces
b)
Melt
c)
Build up 
d)
Fall to the bottom of the ocean
17.
What do floods do to make them constructive?
a)
Carries sediment
b)
Adds sediment to a new place
c)
Breaks sediment down
d)
Carries water
18.
Is weathering mostly a constructive or destructive process?
a)
Constructive
b)
Destructive
19.
What are the geological processes that cause weathering and erosion?
a)
Ice, gravity, water
b)
Water, gravity
c)
WInd, water, gravity
d)
Wind, Ice, Water, Gravity
20.
Which is this an example of? Ponds filling up with sediment and becoming marshes
a)
Weathering
b)
Erosion
c)
Deposition
d)
None
21.
Which is this an example of? A mudslide flowing down a steep hill
a)
Weathering
b)
Erosion
c)
Deposition
d)
None
22.
Which is this an example of? Caves being formed by acid rain dissolving underground limestone
a)
Weathering
b)
Erosion
c)
Deposition
d)
None
23.

Constructive forces _______________ landforms.

a)

Tear down

b)

Build up

24.

This valley was created by

a)

internal forces of the Earth

b)

the forces of gravity and the sun

25.

Volcanic mountains are created by __________forces

a)

constructive- Earth's internal

b)

destructive- Gravity and sun's

c)

constructive- Gravitational and sun's

d)

destructive- Earth's internal forces

26.

Analyzing the image, is the youngest layer on the top or the bottom of this rock feature?

a)

THE TOP

b)

THE MIDDLE

c)

THE BOTTOM

27.

According to the Law of Original Horizontality, when sediment is deposited, it is deposited _____________ under the action of gravity.

a)

VERTICALLY

b)

DIAGONALLY

c)

HORIZONTALLY

28.

An earthquake or other geologic movement can cause a _____ in rock layers and is a break in the rock. This is represented by a diagonal line in a stratigraphic column.

a)

Intrusion

b)

Fault

c)

Fold

29.

Analyzing the image, which letter represents an INTRUSION (magma seeping into rock layers)?

a)

Letter E

b)

Letter B

c)

Letter D

d)

Letter C

30.

Analyzing the Stratigraphic Column, which fault happened more recently- A or F?

a)

Fault A

b)

Fault F

31.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
32.

Copper is an example of a(n)

a)

Element

b)

Electron

c)

Neutron

d)

Carbon

33.

Which of the following statements about minerals is FALSE?

a)

Minerals have a crystalline structure.

b)

Humans can create minerals to suit specific needs.

c)

Minerals are inorganic materials.

d)

Minerals cannot be liquids or gases.

34.

Among the following which mineral is found in electronics we use like wires and circuit boards?

a)

Carbonate

b)

Salt

c)

Iron

d)

Copper

e)

Potash

35.

Sedimentary rocks are _______ .

a)

formed from magma

b)

a type of foliated igneous rock

c)

formed because of changes in temperature and pressure, or the presence of hot watery fluids

d)

formed when loose materials become pressed or cemented together or when minerals form from solutions

36.

Which location from the image is more likely to have copper?

a)

A

b)

B

c)

C

d)

D

e)

E

37.

Which location is more likely to have copper?

a)

1

b)

2

c)

3

d)

4

e)

5

38.

How many protons in copper? Numbers only.

(a)  

39.

Porphyry copper is often found...

a)

along plate boundaries on land

b)

along plate boundaries in the ocean

c)

at divergent plate boundaries

d)

at low elevations

40.

Sediment hosted copper is copper that was ...

a)

melted in veins of rocks

b)

dissolved in hot water and infused into sandstone

c)

placer deposits by hotspots

d)

found in conglomerate rock deposits

41.

Porphyry copper is copper that is found...

a)

in liquid

b)

in igneous rocks

c)

in sedimentary rocks

d)

in coal deposits

42.

Where is copper found

a)

higher elevations

b)

along continental plate boundaries

c)

next to volcanoes

d)

all of these is correct

43.

Copper deposits are often found

a)

deep under older continental crust

b)

on transform plate boundaries

c)

in the oceans

d)

on newer continental crust

44.

What mechanism causes copper to move from the mantle to the surface of the Earth?

a)

Divergent plate boundaries and rift valleys

b)

Erosion and deposition

c)

Convection currents with volcanic activity

d)

Transform plate boundaries with upwelling

45.

Where was copper created before it was on Earth?

a)

Core of older stars

b)

Big Bang

c)

Supernova

d)

Core of young stars

46.

Which type of copper is located on the WEST side of Utah and Arizona (where 75% of all US copper comes from)?

a)

Prophryr

b)

Sediment -hosted

47.

Which type of copper is found in San Juan Country at the Lisbon Valley Copper Mine

a)

Sediment hosted copper

b)

Porphyry copper

48.

Many areas with active volcanic activity have unique minerals that rise to the surface of Earth. What metal resource is #1 in Utah?

a)

Salt

b)

Potash

c)

Copper

d)

Gypsum

49.

What type of chemical is mixed with copper to dissolve it into liquid?

a)

potash

b)

water

c)

sulfuric acid

d)

gasoline

50.

What is the last step in mining copper to get it to 99.99% copper?

a)

Smelting

b)

Reacting it with acid

c)

Melting

d)

Electroplating

51.

In electroplating, why does the copper leave the solution to attach to the metal that has the negative electrode?

a)

Copper drops out of solution because it is dense.

b)

Copper has a positive charge.

c)

Copper has a negative charge.

d)

Copper is magnetic.

52.

What is an assay?

a)

A solution used to dissolve copper.

b)

A type of test to identify the purity of an ore.

c)

An essay where you explain a concept.

d)

A test used to identify the density of an ore.

53.

Why are mineral ores often found in mountainous areas?

a)

Because of the elevation levels.

b)

Because of the intense heat and pressure associated with mountain building.

c)

Because of the watersheds in the area.

54.

What is a hydrothermal deposit?

a)

Melting magma and then cooling.

b)

Groundwater that is heated due to magma dissolving minerals, moving them, and depositing them.

c)

Purified and processed minerals.

55.

How do scientists locate mineral resources?

a)

Understanding of geological processes.

b)

Test properties of soil and rock.

c)

Chemistry and physical properties of rock.

d)

All of the above.

56.

Restoring land to its original state after mining has finished is called __.

a)

reclamation

b)

remediation

c)

restoration

d)

redemption

57.

When did the blue mountains (laccolithic magma intrusions) form in San Juan County?

a)

11,000 years ago

b)

1 million years ago

c)

30 million years ago

d)

300 million years ago

58.

When oil, gas, and potash were deposited in San Juan county what was the environment like?

a)

a hot sand dune dessert

b)

swampy jungle with lots of trees

c)

a marine area or ocean

d)

temperate grassland

59.

What is one of the highest paying jobs in San Juan County?

a)

teaching

b)

small business

c)

health care

d)

mining and extracting

e)

city government- police

60.

Identify the correct name for the mining process of leaving the mineral in its original place under the ground, sending down water to dissolve it and pumping that water back up to the surface.

a)

Underground mining

b)

Open surface or pit mining

c)

Placer mining

d)

In situ mining

61.

Sedimentary rocks are _______ .

a)

formed from magma

b)

a type of foliated igneous rock

c)

formed because of changes in temperature and pressure, or the presence of hot watery fluids

d)

formed when loose materials become pressed or cemented together or when minerals form from solutions

62.

Sediment hosted copper is copper that was ...

a)

melted in veins of rocks

b)

dissolved in hot water and infused into sandstone

c)

placer deposits by hotspots

d)

found in conglomerate rock deposits

63.

Which location is more likely to have copper?

a)

1

b)

2

c)

3

d)

4

e)

5

64.

Which location from the image is more likely to have copper?

a)

A

b)

B

c)

C

d)

D

e)

E

65.

A company is likely to mine a site if the site

a)

is rich in minerals

b)

contains gold

c)

contains minerals that can be extracted economically

d)

does not contain gangue minerals

66.
Deposits of minerals from which metals and nonmetals can be removed profitably.
a)
Ore
b)
Conduction
c)
Placer Deposits
d)
Wire
67.

Mining that is done above ground is called...

a)

surface mining.

b)

subsurface mining.

68.

What is required in the refining process besides fossil fuel?

a)

Water use

b)

Tailings

c)

Cyanide

d)

Overburden

69.

Which type of mining involves creating a large pit by digging down into the earth?

a)

Contour Strip Mining

b)

Open-Pit Mining

c)

Mountaintop Removal

d)

Sub-surface Mining

70.

Rock that forms as magma cools slowly and solidifies below Earth’s surface is called

a)

intrusive igneous rock

b)

chemical sedimentary rock.

c)

extrusive igneous rock.

71.

An ore is mined so that ______________ can be removed from it.

a)

Air

b)

Metals

c)

Water

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