What is Relative Age Dating?
Relative Age Dating Practice

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Relative Age Dating is a method used to determine the age of rocks and geological features in relation to one another, rather than in absolute terms.
2.
FLASHCARD QUESTION
Front
What does the Law of Superposition state?
Back
The Law of Superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest layers are at the top.
3.
FLASHCARD QUESTION
Front
What is an intrusion in geology?
Back
An intrusion is a body of igneous rock that forms when magma cools and solidifies beneath the Earth's surface.
4.
FLASHCARD QUESTION
Front
How does the Law of Crosscutting Relationships work?
Back
The Law of Crosscutting Relationships states that a geological feature (like a fault or intrusion) that cuts through another feature is younger than the feature it cuts.
5.
FLASHCARD QUESTION
Front
What is a fault in geological terms?
Back
A fault is a fracture or zone of fractures between two blocks of rock, which allows for the movement of the blocks relative to each other.
6.
FLASHCARD QUESTION
Front
Which is older: a fault or the rocks it cuts through?
Back
The rocks that the fault cuts through are older than the fault itself.
7.
FLASHCARD QUESTION
Front
What is an unconformity?
Back
An unconformity is a surface that represents a gap in the geological record, where rock layers have been eroded or not deposited for a period of time.
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