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- Quaternary - Wikipedia
The Quaternary covers the time span of glaciations classified as the Pleistocene, and includes the present interglacial time-period, the Holocene This places the start of the Quaternary at the onset of Northern Hemisphere glaciation approximately 2 6 million years ago (mya)
- Quaternary | Definition, Period, Climate, Animals, Plants, Timeline . . .
Quaternary, in the geologic history of Earth, a unit of time within the Cenozoic Era, beginning 2,588,000 years ago and continuing to the present day
- QUATERNARY Definition Meaning - Merriam-Webster
The meaning of QUATERNARY is of, relating to, or consisting of four units or members
- Quaternary glaciation - Wikipedia
The entire Quaternary period, starting 2 58 Ma, is referred to as an ice age because at least one permanent large ice sheet—the Antarctic ice sheet —has existed continuously
- Quaternary Period—2. 58 MYA to Today - U. S. National Park Service
The Quaternary Period is famous for the many cycles of glacial growth and retreat, the extinction of many species of large mammals and birds, and the spread of humans
- Quaternary - Climate, Glaciation, Stratigraphy | Britannica
The most distinctive changes seen during the Quaternary were the advances of ice into temperate latitudes of the Northern Hemisphere The glacial landscapes were dominated by ice several kilometres thick that covered all but the highest peaks in the interior
- Quaternary Period - an overview | ScienceDirect Topics
The Quaternary Period is defined as the most recent geologic era spanning the last 2 6 million years, divided into the Pleistocene and Holocene epochs, characterized by significant climatic oscillations and the evolution of modern flora and fauna, including Homo sapiens
- Quaternary - New World Encyclopedia
The Quaternary sub-era (or period) is the historically designated geologic time period extending from the end of the Pliocene epoch roughly 1 8–1 6 million years ago to the present The Quaternary is one subdivision of the Cenozoic era
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