Marine sedimentary rocks form from sediments that accumulate in ocean environments, typically composed of materials like shells, coral, and other marine organisms, along with fine particles from continental erosion. In contrast, terrestrial sedimentary rocks are formed from sediments deposited in land-based environments such as rivers, lakes, and deserts, often containing minerals like clay, silt, or sand. The primary difference lies in their depositional environments and the types of materials they contain, which influence their composition and characteristics. Additionally, marine sediments often undergo processes like lithification in a more stable, submerged setting compared to their terrestrial counterparts.
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