relative age, absolute age, and geologic time

Front

In order for an event to affect a rock, the rock must exist first.

Back

True

Front

Geologic features, such as faults, and igneous intrusions are younger than the rocks they cut because the events like folding and faulting must occur first before a rock can exist. True or False?

Back

False

Front

The shorter the timespan that species existed, the more precisely the index fossil reflects the age of the rock.

Back

True

Front

If one rock body contains fragments of another rock body, it must be younger than the fragments of rock it contains.

Back

True

Front

What does a disconformity in a sedimentary rock sequence represent?

Back

Gap in the rock record

Front

Which of the following happened most recently? A. Deposition of Unit C, B. Deposition of Unit B, C. Deposition of Unit F, D. Tilting of C, D, E, and F

Back

Deposition of Unit B

Front

Back

Correct Answer: A-D-C-B-E

Front

Back

A-B-D-E-C

Front

According to the law of superposition, which layer is the youngest?

Back

A

Front

Which rock layer in the diagram seems to be the oldest? Options: F, E, B, A

Back

A