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The study of the palynofacies of a sedimentary depositional environment can be used to learn about the depositional palaeoenvironments of sedimentary rocks in exploration geology, often in conjunction with palynological analysis and vitrinite reflectance.
: the identification and determination of frequency of pollen grains in peat bogs and other preservative situations as a means of dating fossil and other remains : the study of past vegetations and climates as indicated by the pollen content of the various layers of the earth's surface You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.Palynology does not include diatoms, foraminiferans or other organisms with siliceous or calcareous exoskeletons.Palynology as an interdisciplinary science stands at the intersection of earth science (geology or geological science) and biological science (biology), particularly plant science (botany).As a result, these microfossils give important clues to the prevailing climatic conditions of the time.Their paleontological utility derives from an abundance numbering in millions of cells per gram in organic marine deposits, even when such deposits are generally not fossiliferous.
The isolation ended with the German publication of Gunnar Erdtman's 1921 thesis. Hyde and Williams chose palynology on the basis of the Greek words paluno meaning 'to sprinkle' and pale meaning 'dust' (and thus similar to the Latin word pollen).