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.   Calcite
B.   Gypsum
C.   Halite
D.   Quartz
Question #3
How are minerals classified?
A.   According to their physical properties
B.   According to their environment
C.   According to their age
D.   According to their gravity
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.   Massive
B.   Random
C.   Oblique
D.   Uneven
Question #6
Which of the following is not a non-metallic luster?
A.   transparent
B.   dull
C.   vitreous
D.   waxy
Question #7
Which of the following minerals is softer than calcite?
A.   quartz
B.   talc
C.   corundum
D.   feldspar
Question #8
What are the two processes involved in the lithification of a sedimentary rock?
A.   compaction and cementation
B.   condensation and precipitation
C.   compaction and erosion
D.   erosion and weathering
Question #9
Which of the following is not a way of classifying a clastic sedimentary rock?
A.   grain shape
B.   grain symmetry
C.   grain size
D.   grain sorting
Question #10
What is a mineral?
A.   A naturally occurring organic solid
B.   A synthetic composite of rocks
C.   A naturally occurring inorganic solid
D.   An inorganic liquid or gas
Question #11
What is the measure of a mineral’s resistance to scratching?
A.   cleavage
B.   streak
C.   luster
D.   hardness
Question #12
What type of sedimentary rock is composed of weathered fragments of pre-existing minerals or rocks?
A.   biogenic rock
B.   clastic rock
C.   chemical rock
Question #13
Sedimentary rocks have characteristics that reflect the environment in which they formed.
A.   FALSE
B.   TRUE

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