The Center for Environmental Kinetics Analysis (CEKA) has made visible many of those fundamental geochemical processes through a 3-D, interactive educational movie. The project, called Slices of Time, allows viewers to see examples of geochemical processes that occur at 14 different time scales from years and hours to seconds and even smaller. With a running time of 13 minutes, Slices of Time shows how coal beds form over millions of years through the complex interplay between water and land as sea levels rise and recede.
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