At divergent boundaries, tectonic plates move apart, leading to volcanic activity that can produce igneous rocks as magma rises to the surface and solidifies. The formation of sedimentary rocks occurs through the accumulation and compaction of sediments, which can be facilitated by erosion and deposition in rift valleys or ocean basins. Additionally, the heat and pressure from tectonic activity and magma intrusion can lead to the metamorphism of existing rocks, resulting in metamorphic rocks. Thus, divergent boundaries are crucial for the continuous cycling of rock types through these geological processes.
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