1) Epoch 2) Glacial epoch 3) Pleistocene epoch 4) Quarternary Period epoch 5) When modern humans developed
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https://www.crosswordclues.com/clue/pleistocene
1) Epoch
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https://www.crosswordclues.com/clue/pleistocene
The Pleistocene n (symbol PS) is the geological epoch which lasted from about 2,588,000 to 11,700 years ago, spanning the world`s recent period of repeated glaciations. Charles Lyell introduced this term in 1839 to describe strata in Sicily that had at least 70% of their molluscan fauna still living today. This distinguished it from the older Pli....
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http://en.wikipedia.org/wiki/Pleistocene
• (n.) The Pleistocene epoch, or deposits. • (a.) Of or pertaining to the epoch, or the deposits, following the Tertiary, and immediately preceding man.
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http://thinkexist.com/dictionary/meaning/pleistocene/
A epoch in Earth history from about 2-5 million years to 10,000 years ago. Also refers to the rocks and sediment deposited in that epoch.
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http://volcano.oregonstate.edu/glossary/1
(pronounced PLEES-toh-seen) The Pleistocene was an epoch in geologic time that lasted from 1.8 million years ago until about 10,000 years ago (it was at the beginning of the Quaternary period). During this epoch, the first humans (Homo sapiens) evolved. Mammoths, mastodons, saber-toothed cats, giant ground sloths, and other Pleistocene megafauna (h...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
A epoch in Earth history from about 2-5 million years to 10,000 years ago. Also refers to the rocks and sediment deposited in that epoch.
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http://www.encyclo.co.uk/local/21455
Pleistocene. The time period between about 10,000 years before present and about 1,650,000 years before present. As a descriptive term applied to rocks or faults, it marks the period of rock formation or the time of most recent fault slip, respectively.
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http://www.encyclo.co.uk/local/21456
A geologic period, usually thought of as the Ice Age, which began about 1.6 million years ago and ended with the melting of the large continental glaciers creating the modern climatic pattern about 11,500 years ago.
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http://www.encyclo.co.uk/local/21815
An epoch of the Quaternary period, after the Pliocene of the Tertiary and before the Holocene; also, the corresponding worldwide series of rocks. It began one to two million years ago and lasted until the start of the Holocene, some 10,000 years ago. When the Quaternary is designated as an era, the Pleistocene is considered to be a period.
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http://www.encyclo.co.uk/local/22047
geological period between 1.8 million years ago, and 10,000 years ago;
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http://www.encyclo.co.uk/visitor-contributions.php
Pleis'to·cene adjective [ Greek ... most + ... new.]
(Geol.) Of or pertaining to the epoch, or the deposits, following the Tertiary, and immediately preceding man. --
noun The Pleistocene epoch, or deposits.
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http://www.encyclo.co.uk/webster/P/106
The epoch of geologic time from the end of the Pliocene epoch of the Tertiary period (about 2 million years ago) to the beginning of the Holocene epoch of the Quaternary period (about 10,000 years ago). The major event during the Pleistocene was the expansion of continental glaciers in the Northern Hemisphere. Synonymous with glacial epoch, ice age...
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http://www.evcforum.net/WebPages/Glossary_Geology.html
The Pleistocene (ice age) was the seventeenth geological period, 500,000 years ago. It marked the evolution of tool-making man.
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http://www.probertencyclopaedia.com/browse/HP.HTM
a geological epoch lasting from 2 million to 20,000 years ago. See timetable.
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http://www.seafriends.org.nz/books/glossary.htm
Pleistocene Of or belonging to the geologic time, rock series, or sedimentary deposits of the earlier of the two epochs of the Quaternary Period, characterized by the alternate appearance and recession of northern glaciation, the appearance and worldwide spread of hominids, and the extinction of numerous land mammals, such as the mammoths, mastodon...
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http://www.wordinfo.info/words/index/info/view_unit/407/
part of the geologic timescale, corresponding to the time period from 1.81 million to 11,550 years before the present.
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https://nsidc.org/cryosphere/glossary?page=19
The period in the earth's history from about one million years ago until about 10,000 years ago. During the Pleistocene or Ice Age, the earth's climate was colder and much of the earth was covered with ice
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https://sciencetrek.org/sciencetrek/topics/mammoth/glossary.cfm
Period of time, going back to approximately 2 million years before the present, in which alternating periods of glaciation and deglaciation have dominated the earth's climate
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https://www.encyclo.co.uk/local/20125
An epoch of the Quaternary Period characterized by several glacial ages.
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https://www.encyclo.co.uk/local/20127
The earlier of the two epochs of the Quaternary period, starting 2 to 3 million years before the present and ending about 10,000 years ago. It was a time of glacial activity.
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https://www.encyclo.co.uk/local/20128
The epoch that extended from about 1.8 million years ago to 10,000 years ago on the geologic time scale; when the most recent glaciations occurred.
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https://www.encyclo.co.uk/local/20131
Pleistocene epoch noun from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
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https://www.encyclo.co.uk/local/20974
An epoch of the Quaternary period, spanning the time between 1.8 million years ago and the beginning of the Holocene at 8,000 years ago. It is named after the Greek words 'pleistos' (most) and 'ceno' (new).
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https://www.encyclo.co.uk/local/21202
The main epoch of the last Ice Ages, between 10 000 years and 1.8 million ago, during which continental glaciers periodically expanded to cover sub-polar regions in both hemispheres.
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https://www.encyclo.co.uk/local/23001
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