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Skills Worksheet
Chapter 4 (Rocks: Mineral Mixtures)
Section 3: Sedimentary Rock – pg. 102
Use the words in the textbook to write the answers in the spaces provided.
1.Which kind of rock is formed from weathering, erosion, deposition, compaction,
and cementation (WEDCC)?
a. metamorphic
b. metasedimentary
c. sedimentary
d. igneous
ORIGINS OF SEDIMENTARY ROCK
2. When sediment is deposited in layers and compacted
________________________________________ is formed.
3. Dissolved minerals separate from water and become a natural __________
that binds the sedimentary rock together.
4. Sedimentary rock forms at or near the Earth’s _____________________.
COMPOSITION OF SEDIMENTARY ROCK
5. Another name for rock or mineral fragments is _____________________.
6. Sedimentary rock that is made of clasts (fragments of rocks cemented
together by a mineral such as calcite or quartz) is called ______________
sedimentary rock.
7. An example of clastic sedimentary rock with LARGE clasts (coarsegrained) is _______________________.
8. Sedimentary rock that forms when minerals crystallize out of solution,
such as sea water, to become rock is called _________________________
sedimentary rock.
9. Which of the following is a chemical sedimentary rock?
a. conglomerate
b. coal
c. halite
d. fossiliferous limestone
SEDIMENTARY ROCK STRUCTURES
10.
The process in which sedimentary rocks are arranged in layers is called
___________________________________________.
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Plate Tectonics