Quaternary glaciation
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The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began around 2.58 million years ago
A diagram of the formation of the Great Lakes
Quaternary
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The Quaternary is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy, as well as the current and most recen
Quaternary glaciation
…The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began around 2.58 million years ago and is ongoing. Although geologists describe this entire period up to the present as an "ice age", in…
Artist's impression of Earth during the Last Glacial Maximum
Land ocean ice cloud hires