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Relative Dating Quiz

Question 1:

Which characteristic is shared by intrusions and faults?

A. All are cracks.

B. All are igneous rocks.

C. All cause gaps in the geologic record.

D. All are younger than surrounding rocks.



Answer :

GinnyAnswer

Final answer:

Intrusions and faults are younger than surrounding rocks, a concept explained by the Principle of Cross-Cutting Relationships.


Explanation:

Intrusions and faults share the characteristic of being younger than surrounding rocks. When magma intrudes into cracks to form intrusions or faults break and displace rocks, they are considered younger because they cut across existing formations. This principle is known as the Principle of Cross-Cutting Relationships in geology.


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