Geology 001 - Historical Geology » Fall 2022 » PreLab Quiz Minerals and Sedimentary Rocks

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Question #1
Minerals are naturally occurring inorganic solids and are the building blocks of rocks. They form naturally and can be liquids.
A.   FALSE
B.   TRUE
Question #2
The chemical formula CaCO3 is the mineral ___________.
A.   Quartz
B.   Calcite
C.   Gypsum
D.   Halite
Question #3
How are minerals classified?
A.   According to their age
B.   According to their environment
C.   According to their gravity
D.   According to their physical properties
Question #4
Coal is made of carbon and hydrogen, and forms from the compression of dead plants. Is coal a mineral?
A.   No
B.   Yes
Question #5
Mineral hand samples reflect their inner form by their atomic structure. Minerals that commonly develop prisms have a prismatic/columnar form (or habit). Minerals that grow in flat planes are tabular, and minerals with no visible structure are called ____________.
A.   Random
B.   Massive
C.   Uneven
D.   Oblique
Question #6
Which of the following is not a non-metallic luster?
A.   dull
B.   waxy
C.   transparent
D.   vitreous
Question #7
Which of the following minerals is softer than calcite?
A.   feldspar
B.   quartz
C.   talc
D.   corundum
Question #8
What are the two processes involved in the lithification of a sedimentary rock?
A.   compaction and erosion
B.   compaction and cementation
C.   erosion and weathering
D.   condensation and precipitation
Question #9
Which of the following is not a way of classifying a clastic sedimentary rock?
A.   grain symmetry
B.   grain sorting
C.   grain size
D.   grain shape
Question #10
What is a mineral?
A.   An inorganic liquid or gas
B.   A synthetic composite of rocks
C.   A naturally occurring inorganic solid
D.   A naturally occurring organic solid
Question #11
What is the measure of a mineral’s resistance to scratching?
A.   streak
B.   luster
C.   hardness
D.   cleavage
Question #12
What type of sedimentary rock is composed of weathered fragments of pre-existing minerals or rocks?
A.   chemical rock
B.   biogenic rock
C.   clastic rock
Question #13
Sedimentary rocks have characteristics that reflect the environment in which they formed.
A.   TRUE
B.   FALSE

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