Concept:
Plate tectonics explains the movement of Earth's lithospheric plates. At different types of plate boundaries, different geological processes occur:
- Divergent boundary: Plates move apart and magma rises to create new crust.
- Convergent boundary: Plates move towards each other, leading to subduction or mountain formation.
- Transform (Conservative) boundary: Plates slide past each other without creating or destroying crust.
Step 1:Understand where new crust is formed.
New oceanic crust forms when molten magma rises from the mantle and solidifies at the surface.
Step 2:Identify the boundary where plates move apart.
This process occurs at divergent boundaries, such as mid-ocean ridges, where plates separate and new crust is continuously formed.