Rocks and Minerals Practice Test 2017
Name: Date:
1. Station 1
What is the main economic source of aluminumworldwide?
A. Graphite B. Almandine
C. Bauxite D. Bornite
2. What mineral is a good source of copperworldwide?
A. Graphite B. Almandine
C. Bauxite D. Bornite
3. What mineral is a good source for making jewelry?
A. Graphite B. Almandine
C. Bauxite D. Bornite
4. Which of these rocks is sometimes used to makeglass?
A. Conglomerate B. Halite
C. Breccia D. Sandstone
5. Station 2
Which of the following criteria must be met forsomething to be classified as a mineral? List allthat apply.
A. Be organic
B. Have a definite crystalline structure
C. Be a silicate
D. Be inorganic
E. Be on the Periodic Table of Elements
F. Have a definite chemical composition
G. Be a liquid
H. Be a gas
I. Be a solid
6. The mineral kingdom is typically divided intowhich two groups?
A. Silicates & Nonsilicates
B. Carbonates & Noncarbonates
C. Halides & Nonhalides
D. Native & Nonnative
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7. Station 3
Which of the following is most likely to cause apluton?
A. Magma intruding into a new area underground
B. Swamp settling and compacting over a millionyears
C. 2 lithospheric plates colliding
D. Large meteor colliding with earth
8. Station 3
What is the correct classification for this specimen?
A. Extrusive — Igneous
B. Intrusive — Igneous
C. Foliated — Metamorphic
D. Nonfoliated — Metamorphic
9. What is the name of this specimen?
10. Station 4
Examine these three pictures of igneous rocks.
10. 11. 12.
To which of the following chemical/compositionalgroups does each belong?
A. Ultramafic
B. Mafic
C. Intermediate
D. Felsic
E. Nonsilicate
11. Each of these rocks formed from magma thatcrystallized as it cooled. From the graph below,which of the magma cooling paths is most likelyresponsible for each of these rocks?
a) Which cooling curve matches the #10 rock?
b) Which cooling curve matches the #11 rock?
c) Which cooling curve matches the #12 rock?
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12. Station 5
What is the name of this specimen?
13. Which statement best describes the origin of thisspecimen?
A. Formed by deposition in a lake bottom
B. Formed by metamorphism of animal remains
C. Formed by deposition of volcanic ash
D. Formed by metamorphism of an igneous rock
14. This rock is mostly composed of:
A. sand B. silt C. gravel D. clay
15. Station 6
What is the name of this specimen?
A. Calcite B. Talc
C. Halite D. Gypsum
16. What environment was this mineral most likelyformed in?
A. Swamps B. Alkaline lake beds
C. Magma chambers D. Ocean floor
17. The tendency for rocks to develop parallel sets offractures is called .
A. Spalling B. Etchplanantion
C. Jointing D. Silling
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18. Station 7
This specimen was brought to the lab for identification. After examining the sample, you collected the followingdata:
Characteristic Observation
Color reddish brown
Hardness 5.5–6.5
What is the name of this specimen?
19. Is this a rock or a mineral?
20. What color is this specimens streak?
21. What is Streak?
A. Color absorbed by UV light B. Color in reflected light.
C. The manner in which the mineral reflects light. D. Color of the mineral’s powder.
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22. Station 8
What is the name of this mineral?
23. Which of the following is composed of thismineral?
A. Muscles
B. Bones & teeth
C. Skin
D. Fingernails & toenails
24. Station 9
Describe the cleavage of this specimen:
A. Cubic B. Rhombohedral
C. Sheet-like D. Irregular
25. What is the name of this sample?
26. This mineral is an important source of .
27. Station 10
What are the three types of Diaphaneity? Listall 3.
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28. Station 10
Source: http://www.quirkyscience.com
This specimen exhibits a special property that youcan see as you move it over the words on thepage. What is that called?
29. What is the name of this specimen?
30. Station 11
Rank these minerals from Hardest to Softest.
31. What is the hardness of Sample C?
32. Station 11
What is the name of Sample B?
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33. Station 11
Who invented the scale we now use for hardness?
34. Station 12
The name of this rock is .
35. It is composed of the mineral .
36. It is a(n) type of rock.
37. It was changed from (what other rock?)through (rock cycle process) into itscurrent form.
38. Station 13
According to Bowen’s reaction series, which of thefollowing minerals has the lowest crystallizationtemperature?
A. potassium feldspar B. biotite
C. quartz D. pyroxene
39. As magma begins to cool, what is the first mineralto form on the left branch of Bowen’s reactionseries?
A. quartz B. pyroxene
C. olivine D. feldspar
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40. Which statement below is true about the silicacontent of the magma and Bowen’s reaction series?
A. silica content increases from the bottom ofthe reaction series to the top
B. silica content of the magma decreases fromthe bottom of the series to the top
C. silica content remains the same from the topto the bottom of the series
D. there is no relationship between Bowen’sreaction series and silica content
41. Which statement below is true about the rockcomposition and Bowen’s reaction series?
A. rocks formed from minerals at the top of thereaction series will be mafic
B. rocks formed from minerals at the top of thereaction series will be felsic
C. there is no relationship between thecomposition of rocks and Bowen’s reactionseries
D. all metamorphic rocks have similar mineralcomposition
42. Station 14
Name each rock at this station and label each asSedimentary, Igneous, or Metamorphic.
43. Station 14
Which of these is an igneous rock containingquartz, feldspar and mica?
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44. Station 15
According to the figure, what happens to themelting point of rock as the depth and pressureincreases?
A. it increases sharply
B. it increases gradually
C. it decreases sharply
D. it decreases gradually
45. In what layer(s) of the earth are rocks experiencingthese temperatures and pressures?
A. Crust and upper mantle
B. Mantle
C. Outer Core
D. Inner Core
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46. Station 15
There is a crystal and an eraser at this station. Match them to the correct crystal shape/system shown below.
IsometricA
HexagonalB
TetragonalC
TrigonalD
OrthorhombicE
MonoclinicF
TriclinicG
Source: http://sbaran.net/8science/8sciweeks/index8020909.html
Crystal
47. Eraser
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48. Station 16
Arrange these rocks in order of increasingmetamorphic grade.
49. In which of the following metamorphicenvironments would you be most likely to findbedding and other sedimentary structures to bepreserved?
A. burial metamorphism
B. along faults
C. contact metamorphism
D. regional metamorphism
50. Station 17
This is the ceiling of a cave in GlenwoodSprings, CO. What type of sedimentary rocksmust these be?
A. Clastic B. Chemical
C. Organic D. Conglomerate
51. Which one of the following features is notassociated with sedimentary rocks?
A. Bedding
B. Ripple marks
C. Fossilization
D. All of these are associated with sedimentaryrocks
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52. Station 17
Bryce Canyon is not a “real” canyon. It is notcarved by flowing water. For 200 days a yearthe temperature goes above and below freezingevery day. During the day, melt water seeps intofractures only to freeze at night, expanding by9%. This is an example of (physical orchemical) weathering. In addition, rainwater, whichis naturally acidic, slowly dissolves the limestone,rounding off edges and washing away debris. Thisis an example of weathering.
53. Station 18
Every sample at this station has what chemicalformula?
54. What is the luster of these samples?
A. Vitreous B. Metallic
C. Greasy D. Pearly
55. What is the name of sample D?
56. If Sample D is heated, it will turn in to whichother of these samples?
57. Station 18
What is the crystal habit of all of these samples?
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58. Station 19
This picture was taken at Mammoth Hot Springsin Yellowstone National Park. It is a type oflimestone. What is the name of this rock?
59. Station 19
Where did this sample form?
A. In a swamp B. In a desert
C. In a cave D. In an ocean
60. This rock is classified as:
A. Igneous B. Detrital
C. Organic D. Chemical
61. True or False. This rock will fizz if we put HClon it.
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62. Station 20
Fill in the chart for each sample.
Sample A Sample B
Name
Luster
63. Which of these two samples has historically been mined in NC?
64. What economic use do these samples share?
A. Gemstone B. Cement filler C. Used to make glass D. Source of lead
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65. Station 21
What geologic process turns magma into granite?
66. What geologic process turns granite into sand?
67. What geologic process turns sand into sandstone?
68. Which of the following locations describes oneexample of a place where igneous rocks areforming?
A. In a streambed near a volcano
B. On the continental shelf
C. Everywhere beneath the earths surface
D. Within the crust below an active volcano
69. Station 22
We know that this is a metamorphic rock becauseof the:
A. Bedding B. Coloring
C. Grading D. Banding
70. Minerals that contain only one element or type ofatom are called .
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71. The metamorphism of a sandstone rock will causethe rock
A. to be melted
B. to contain more fossils
C. to become more dense
D. to occupy a greater volume
72. The mineral diamond is pure .
73. Station 23
Fill out the table for all the samples at this station.
Sample Name ExtremeVesiculation?Check if yes.
SpecificGravity < 1Check if yes.
A
B
C
D
74. Station 23
Which of two of these samples has the highestsilica content?
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Problem-Attic format version 4.4.311c_ 2011–2017 EducAide Software
Licensed for use by Michael WalterTerms of Use at www.problem-attic.com
Rocks and Minerals Practice Test 2017 12/2/2017
1.Answer: C
2.Answer: D
3.Answer: B
4.Answer: D
5.Answer: B, D, F, I
6.Answer: A
7.Answer: A
8.Answer: D
9.Answer: Quartzite
10.Answer: D, B, C
11.Answer: C; A; B
12.Answer: Shale
13.Answer: A
14.Answer: D
15.Answer: D
16.Answer: B
17.Answer: C
18.Answer: Hematite
19.Answer: Mineral
20.Answer: Reddish brown
21.Answer: D
22.Answer: Apatite
23.Answer: B
24.Answer: A
25.Answer: Galena
26.Answer: Lead
27.Answer: Transparent, Opaque, Translucent
28.Answer: Double refraction
29.Answer: Calcite
30.Answer: B, A, C
31.Answer: 1
32.Answer: Feldspar
33.Answer: Frederich Mohs
34.Answer: Marble
35.Answer: Calcite
36.Answer: Metamorphic
37.Answer: Limestone, Heat & pressure
38.Answer: C
39.Answer: C
Teacher’s Key Page 2
40.Answer: B
41.Answer: A
42.Answer: A-Coal, Sedimentary, B-Mica Schist,
Metamorphic, C-Sandstone, Sedimentary,D-Gneiss, Metamorphic, E-Granite,Igneous
43.Answer: Granite or E
44.Answer: B
45.Answer: A
46.Answer: B or D
47.Answer: F
48.Answer: B, C, A, D
49.Answer: A
50.Answer: B
51.Answer: D
52.Answer: Physical, Chemical
53.Answer: SiO2
54.Answer: A
55.Answer: Amethyst
56.Answer: B or Citrine
57.Answer: Hexaganol
58.Answer: Travertine
59.Answer: D
60.Answer: C
61.Answer: True
62.Answer: Sample A Sample B
Name Olivine Sodalite
Luster Vitreous Vitreous or Greasy
63.Answer: A or Olivine
64.Answer: A
65.Answer: Cooling or Crystallization
66.Answer: Weathering
67.Answer: Lithification or compaction, cementation,
diagenesis
68.Answer: D
69.Answer: D
70.Answer: Native
71.Answer: C
72.Answer: Carbon
73.Answer: Sample Name Extreme
Vesiculation?Check if yes.
SpecificGravity < 1Check if yes.
A Pumice X X
B Scoria X
C Obsidian
D Andesite
74.Answer: A, C