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Activity 4. Rock Stratification

1. Define. Write your own definition for stratifucation.
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2. List. Give at least 5 Principles of Stratigraphy.
a.
b.
c.
d.
e.

3. Compare. How does the Principle of Superposition differ from the Principles of Cross-cutting Relationships?
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4. Describe. How do the three types of rock form? Make a brief description of the formation of each.
a. Igneous rock
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b. Sedimentary rock
_________________
c. Metamorphic rock
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5. Infer. Imagine that a geologist finds a sedimentary rock with ripple marks on it. What can the geologist guess about the environment in which the sediment was deposited? Explain your answer.
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Sagot :

2

a..Lateral continuity.

b.Original horizontality.

c.Superposition.

d.Faunal succession.

e.Cross-cutting relations..