Question
Which describes the difference between the law of inclusion and the law of crosscutting in relative dating of rocks and fossils?(1 point)
A. Intruding objects are older in the law of inclusion.
B. Bottom layers of rock are younger only in the law of crosscutting.
C. Intruding objects are younger in the law of inclusion.
D. Bottom layers of rock are older only in the law of crosscutting.
A. Intruding objects are older in the law of inclusion.
B. Bottom layers of rock are younger only in the law of crosscutting.
C. Intruding objects are younger in the law of inclusion.
D. Bottom layers of rock are older only in the law of crosscutting.
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Answered by
GPT-4o mini
The correct answer is **C. Intruding objects are younger in the law of inclusion.**
In relative dating, the law of inclusion states that any rock fragments (inclusions) within another rock must be older than the rock that contains them. Conversely, the law of cross-cutting relationships states that a rock or fault that cuts through another rock must be younger than the rock it cuts through. Hence, intruding objects (like igneous dikes) that cut through existing rocks are considered younger than those rocks.
In relative dating, the law of inclusion states that any rock fragments (inclusions) within another rock must be older than the rock that contains them. Conversely, the law of cross-cutting relationships states that a rock or fault that cuts through another rock must be younger than the rock it cuts through. Hence, intruding objects (like igneous dikes) that cut through existing rocks are considered younger than those rocks.
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