Palynology is the study of pollen and spores. Throughout much of geologic time, these microscopic plant particles have been accumulating in sediments. Their recovery from sediments enables the palynologist to establish correlation based on time equivalence. A brief sketch of the development of palynology is followed by an examination of the basic principles of the field. During the examination of these principles, their potential value to the field of geology is illustrated as well as some of the recent correlations established on the basis of palynological work.

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