bn:01167789n
Noun Named Entity
Categories: Pleistocene United States, Ice ages, Pleistocene North America, Middle Pleistocene, Geology of Illinois
EN
Pre-Illinoian  Aftonian  Aftonian interglacial  Aftonian interglacial era  Nebraskan glaciation
EN
The Pre-Illinoian Stage is used by Quaternary geologists for the early and middle Pleistocene glacial and interglacial periods of geologic time in North America from ~2.5–0.2 Ma. Wikipedia
English:
stage
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EN
The Pre-Illinoian Stage is used by Quaternary geologists for the early and middle Pleistocene glacial and interglacial periods of geologic time in North America from ~2.5–0.2 Ma. Wikipedia
oldest stage in the North American regional subdivision of the Quaternary Wikidata
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