Here's a breakdown:
* Graben: A graben is a depressed block of land bordered by two normal faults. These faults are inclined towards each other, causing the block in the middle to sink down.
* Normal Faults: These faults occur when the hanging wall (the block above the fault) moves down relative to the footwall (the block below the fault).
* Long Line: Grabens are often linear features, extending for significant distances.
Example: The Rhine Graben in Germany is a classic example of a graben. It's a long, narrow depression that extends for hundreds of kilometers, created by tectonic forces pulling the crust apart.
