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28 questions
What factors can lead to the formation of a sedimentary rock?
melting and solidification
extreme heat and pressure
compaction and cementation
What factors can lead to the formation of a sedimentary rock?
evaporation and precipitation
melting and solidification
extreme heat and pressure
Which of the following is an organically formed sedimentary rock?
obsidian
coal
siltstone
shale
What are the types of sedimentary rock?
Igneous; Metamorphic; Sedimentary
Clastic; Igneous; Sedimentary
Chemical; Clastic; Inorganic
Organic; Clastic; Chemical
Chemical rocks are...
Made from heat
Made when water evaporates and minerals crystallize
Made from dead animals/plants
Made from pieces of other rocks
Organic rocks are...
Made from heat
Made when water evaporates and minerals crystallize
Made from the remains of dead animals/plants
Made from pieces of other rocks
Which formation process do most sedimentary rocks follow?
cementation, compaction, deposition, erosion
erosion, compaction, cementation, deposition
erosion, deposition, compaction, cementation
Which best describes deposition?
sediment pressing together
dissolved minerals crystallize and glue particles together
particles settle as loosely packed sediment
running water or wind carry away fragments of rock
Which process best describes compaction?
particles are squeezed together under pressure
particles glue together as minerals harden
sediment settles
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