Palynology is the scientific study of pollen, spores, and other acid-resistant organic-walled microfossils (palynomorphs), encompassing both living and fossil material. It integrates microscopy, organic geochemistry, and statistical analysis to characterize assemblages of pollen, spores, dinoflagellate cysts, acritarchs, and related particulate matter typically sized between ~5–500 µm. In the natural sciences, palynology is used for reconstructing past vegetation and climate, correlating and dating sedimentary sequences, investigating depositional environments and biostratigraphy, and assessing organic matter sources and thermal maturity in petroleum systems, as well as for tracking dispersal and transport processes of particulate biological material in modern ecosystems.
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