SEDIMENTARY ROCKS AND THEIR FORMATION PROCESSES Sedimentary rocks are one of the types of rocks that make up the layers of the lithosphere. They are the most abundant rocks found on the Earth’s surface. Approximately 75 percent of the Earth's surface is covered by sedimentary rocks. One of the most distinctive features of sedimentary rocks is their layered appearance. This is because they are formed through the diagenesis process of materials from other rocks that have undergone sedimentation. D

SEDIMENTARY ROCKS Sedimentary rocks are like Earth’s history books, recording stories of past environments, climates, and life. They form from the accumulation and compaction of sediments such as sand, silt, clay, or even the remains of plants and animals. Over time, layers build up, harden, and preserve evidence of the past in the form of fossils, ripple marks, and stratification. Common examples include sandstone, limestone, and shale. These rocks not only shape our landscapes but also provide

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