Quaternaries are geological deposits that contain four components, including rocks, minerals, fossils, and sediments. Other synonyms for quaternaries include Pleistocene, glacial, quarternary period, and ice age deposits. These deposits are important because they provide important information about the earth's climate, geography, and environment during various periods of geological time. Scientists use a variety of methods to study these deposits, including radiometric dating, paleontology, and sedimentology. Quaternaries are a valuable resource for researchers who are interested in understanding the history of our planet and how it has evolved over time.