Rock strata

Rock strata are layers of sedimentary rock that have accumulated over time, much like pages in a history book. They form through processes like the deposition of sediments in environments such as lakes, oceans, or rivers, which settle in layers. Over millions of years, these layers are compacted and cemented into solid rock. Each layer, or stratum, can reveal clues about Earth's past climate, life, and geological events. By studying the order and composition of these layers, geologists can interpret the Earth's history and how different environments changed over time.