Relative and Absolute Age

Front

A fault is always ______ than the rock it cuts through.

Back

younger

Front

What are the two ways geologists express the age of a rock?

Back

Relative dating and absolute dating

Front

Define Relative Age in geology.

Back

Relative age is a geological age of a rock or fossil in relation to other rocks or fossils, rather than in terms of absolute age.

Front

Letter 'F' is a....

Back

fault

Front

What is an extrusion in geology?

Back

Lava that hardens on the surface and forms igneous rock.

Front

What is Absolute Age?

Back

The exact number of years since a rock or fossil was formed.

Front

What is the principle of superposition?

Back

In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top.

Front

What is a geological fault?

Back

A fracture in the Earth's crust where blocks of land have moved past each other.

Front

What is an intrusion in geology?

Back

Magma that has pushed into existing rock layers and solidified.

Front

What is an unconformity?

Back

A gap in the geological record that represents a period of erosion or non-deposition.