An oceanic basin is a vast, submerged area of the Earth's surface that is covered by ocean water. It is characterized by various geological features, including: 1. **Continental Margins**: The areas where the ocean meets the continents, which can include continental shelves, slopes, and rises. 2. **Mid-Ocean Ridges**: Underwater mountain ranges formed by tectonic activity, where new oceanic crust is created as magma rises from the mantle.
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