depositional

/ˌdɛpəˈzɪʃənəl/
adjective
  1. Relating to the process of sediment or material being deposited (left behind) by natural forces like water, wind, or ice.
    • The depositional layers of sand and clay formed a new delta over centuries.
    • This rock formation shows clear depositional features from an ancient lake.
    • Geologists studied the depositional patterns in the riverbed after the flood.
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