Principles of Relative Dating-II

Principles of Relative Dating II

Scientists use geological principles to determine the relative ages of rock layers and uncover Earth’s history. Two key concepts that help geologists interpret rock formations are:

• The Principle of Cross-Cutting Relationships – A geological feature, such as a fault or an igneous ...

Imagine a rock layer A, which is cut by another rock layer B. How do we calculate which rock is younger?

To solve this question, we can use the principle of cross-cutting relationships. This principle states that any rock layer that cuts across another is younger than the layers it disrupts.

According to this, layer B, which cuts la...