Amplitude anomaly refers to a variation in the seismic amplitude that deviates from what is expected based on normal conditions. This phenomenon often indicates changes in subsurface properties, such as lithology or fluid content, and plays a crucial role in the interpretation of seismic data during facies analysis and seismic stratigraphy. Understanding amplitude anomalies helps geoscientists identify potential reservoirs or stratigraphic features of interest beneath the Earth's surface.
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