Final answer:
Not all mountains form at convergent plate boundaries. Mid-ocean ridges are associated with basalt rocks. Mid-ocean ridges are higher than the surrounding crust due to seafloor spreading. Mid-ocean ridges and fault-block mountains differ in formation and location. Uplifted mountains and fault-block mountains differ in the mechanism of crustal movement.
Step-by-step explanation:
1. Not all of Earth's mountains form at convergent plate boundaries because there are different types of plate boundaries that contribute to mountain formation. At divergent plate boundaries, where plates move apart, mountains form due to the upwelling of magma and the spreading of the crust. An example of this is the formation of the Mid-Atlantic Ridge.
2. The kinds of rocks associated with mid-ocean ridges are igneous rocks, specifically basalt. Basalt is formed when magma from the mantle reaches the surface and rapidly cools.
3. A mid-ocean ridge is higher than the surrounding crust because it is a result of seafloor spreading. As the plates move apart, magma rises to fill the gap, creating new crust. Over time, this accumulation of new crust forms a ridge that is higher than the older, colder crust surrounding it.
4. Mid-ocean ridges and fault-block mountains are different in terms of their formation and location. Mid-ocean ridges are formed by seafloor spreading at divergent plate boundaries, whereas fault-block mountains are formed by the displacement of blocks of crust due to faulting. Mid-ocean ridges are underwater, while fault-block mountains can be found on land.
5. Uplifted mountains are formed when large-scale tectonic forces push the crust upwards, often due to the collision of continental plates. Fault-block mountains, on the other hand, are formed when blocks of crust are uplifted and tilted along faults. The difference lies in the mechanism of crustal movement.
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