6A Relative Age of Rocks

Front

What was the name of the super continent that existed 250 million years ago?

Back

Pangaea

Front

What is the geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the rock above it and younger than the rock below it?

Back

Law of Superposition

Front

Who came up with the theory of Continental Drift?

Back

Alfred Wegener

Front

What evidence did Wegener use to support his theory of Continental Drift?

Back

All of the above (Land Features, Fossils, Climate)

Front

What is the definition of relative age in geology?

Back

Relative age is the age of a rock or fossil compared to other rocks or fossils.

Front

What is the definition of absolute age in geology?

Back

Absolute age is the actual age of a rock or fossil, often determined by radiometric dating.

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms.

Front

What is the significance of the law of superposition?

Back

It helps geologists determine the relative ages of sedimentary rock layers.

Front

What is continental drift?

Back

Continental drift is the theory that continents move over geological time.

Front

What type of rock is most commonly associated with fossils?

Back

Sedimentary rock.