Difference between revisions of "Pleistocene"

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== Young earth creation scientists view ==
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The '''Pleistocene''' [[epoch (geology)|epoch]] is part of the [[geologic system]] of classifying geologic formations.
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[[Young earth creationist]] scientists believe that the [[Theory of evolution|evolutionary]] [[Geology|geological]] timescale is in error. <ref>http://www.trueorigin.org/geocolumn.asp</ref><ref>http://www.icr.org/index.php?module=articles&action=view&ID=54</ref><ref>http://www.allaboutcreation.org/geologic-time-scale.htm</ref>  These scientists believe that the earth is young and has multiple lines of evidence from the field of geology showing that the earth is young. <ref>http://www.answersingenesis.org/home/area/faq/geology.asp</ref><ref>http://www.creationism.org/topbar/geology.htm</ref><ref>http://www.grisda.org/georpts/gr11.htm</ref><ref>http://www.nwcreation.net/geologylinks.html</ref><ref>http://globalflood.org/</ref>  Also, young earth creationist scientists assert that there is an abundance of scientific arguments in addition to geology showing the earth and universe are both approximately 6,000 years in age.<ref>http://www.answersingenesis.org/home/area/faq/young.asp</ref><ref>http://www.answersingenesis.org/home/area/faq/astronomy.asp</ref><ref>http://www.icr.org/article/1842/</ref>  In addition, young earth creationist scientists have a number of arguments against the position of an extremely old age for the earth and the universe.<ref>http://www.answersingenesis.org/home/area/faq/dating.asp</ref><ref>http://www.answersingenesis.org/home/area/faq/astronomy.asp</ref><ref>http://www.apologeticspress.org/modules.php?name=Read&cat=1&itemid=22</ref><ref>http://www.answersingenesis.org/docs2002/0809_cdk_davies.asp</ref> [[Flood Geology|Flood geologists]] also point out that [[catastrophism]] is increasingly being accepted in the field of geology. <ref>http://www.grisda.org/origins/12061.htm</ref>
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It is part of the [[Neogene]] period.
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<ref>http://www.icr.org/index.php?module=articles&action=print&ID=84</ref>  In addition, creationists also assert that old earth uniformitarian geology has numerous [[Anomaly|anomalies]].  For example, creationists cite the work of [[William R. Corliss]] who catalogued numerous anomalies in the old earth uniformatarian geology [[paradigm]]. <ref>http://www.science-frontiers.com/sourcebk.htm</ref><ref>http://www.apologeticspress.net/articles/184</ref> Corliss wrote regarding [[Paraconformity|paraconformities]] the following:
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The Pleistocene is preceded by the [[Pliocene]] epoch and followed by the [[Holocene]] epoch.
  
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{{cquote|
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Under the dates assigned by [[uniformitarian]] geologists, it represents approximately the period of Earth's history from 1.8 million years ago to around 10,000 years ago.<ref>Gradstein and Ogg, 2004</ref><ref>Anon. (UCMP)</ref>
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"Potentially more important to geological thinking are those [[unconformity|unconformities]] that signal large chunks of geological history are missing, even though the strata on either side of the unconformity are perfectly parallel and show no evidence of erosion. Did millions of years fly by with no discernible effect? A possible though controversial inference is that our geological clocks and stratigraphic concepts need working on." William R. Corliss, Unknown Earth (Glen Arm, Maryland: The Sourcebook Project, 1980), p. 219. <ref>http://www.cs.unc.edu/~plaisted/ce/flood.html</ref>
 
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}}
 
  
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The secular science journal [[New Scientist]] wrote regarding Corliss's work the following: "All I can say to Corliss is carry on cataloging." <ref>http://www.science-frontiers.com/sourcebk.htm</ref>  Young earth creationist scientists assert that paraconformaties pose a serious challenge to the old earth uniformitarian geology paradigm. <ref>http://www.grisda.org/georpts/36.pdf</ref><ref>
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[[Flood Geology|Biblical geologists]] reject the [[uniformitarian]] assumptions behind the dates derived by secular geologists, so they reject these dates (see [[geologic system]]).
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http://www.grisda.org/2003-FSC-open/Roth-RecentCreation.htm</ref><ref>http://www.seeking-god.co.uk/id188.htm</ref>
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Biblical geologists generally consider Pleistocene deposits to be post-[[Great Flood|flood]] deposits.<ref>Batten, 2007, p.211</ref>
  
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It is during this period that modern man is theorized to have [[Theory of evolution|evolved]].
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The Pleistocene is also believed by secular geologists to have experienced frequent glaciations.
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Biblical geologists put the [[Ice Age]] in Pleistocene sediments.
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Many large [[animal]]s went extinct at the time of deposition of the later Pleistocene sediments, including [[sabre toothed tiger]]s and woolly [[mammoth]]s.
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Secular geologists believe that the Pleistocene [[ice age]] is still ongoing and that we are merely in an interglacial period, although [[global warming]] may result in a superinterglacial.
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According to this idea, global warming will delay or prevent us from going into another ice age.
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== Pleistocene extinctions ==
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[[Flora]] and [[Fauna]] found in Pleistocene sediments are very similar to those found today.
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Many of the same species of [[mollusk]]s, [[bird]]s, [[mammal]]s, and [[insect]]s still exist.
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However, Pleistocene sediments also contain many large mammals which are now extinct. These include [[giant sloth]]s, [[woolly mammoth]]s, and [[sabre toothed cat]]s.
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[[Horse]]s and [[camel]]s once galloped across the North American plains and giant birds with 25 foot wingspans stalked prey.
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[[Scientist]]s state that these extinctions may have been caused by a combination of changing climate, disease, and overhunting by [[human]]s.
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== Bibliography ==
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* Anon., [http://www.ucmp.berkeley.edu/quaternary/ple.html The Pleistocene] University of California Museum of Paleontology (UCMP).
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*Batten, Don., et. al., [http://www.creationontheweb.com/images/pdfs/cabook/chapter17.pdf How did animals get from the Ark to places such as Australia?] Chapter 17, Creation Answers Book, Creation Ministries International, 2007.</ref>
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* Gradstein, F.M., and Ogg, J.G.,[http://www.stratigraphy.org/scale04.pdf Geologic Time Scale 2004 – Why, How, and Where Next!]
  
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==See Also==
 
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*[[Holocene]]
 
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*[[Pliocene]]
 
 
==References==
 
==References==
 
<references/>
 
<references/>
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[http://www.ucmp.berkeley.edu/quaternary/ple.html]
 
  
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[[Category:Geological time periods]]
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[[Category:Geologic Systems]]

Latest revision as of 22:28, April 17, 2008

The Pleistocene epoch is part of the geologic system of classifying geologic formations. It is part of the Neogene period. The Pleistocene is preceded by the Pliocene epoch and followed by the Holocene epoch.

Under the dates assigned by uniformitarian geologists, it represents approximately the period of Earth's history from 1.8 million years ago to around 10,000 years ago.[1][2]

Biblical geologists reject the uniformitarian assumptions behind the dates derived by secular geologists, so they reject these dates (see geologic system). Biblical geologists generally consider Pleistocene deposits to be post-flood deposits.[3]

It is during this period that modern man is theorized to have evolved. The Pleistocene is also believed by secular geologists to have experienced frequent glaciations. Biblical geologists put the Ice Age in Pleistocene sediments.

Many large animals went extinct at the time of deposition of the later Pleistocene sediments, including sabre toothed tigers and woolly mammoths. Secular geologists believe that the Pleistocene ice age is still ongoing and that we are merely in an interglacial period, although global warming may result in a superinterglacial. According to this idea, global warming will delay or prevent us from going into another ice age.

Pleistocene extinctions

Flora and Fauna found in Pleistocene sediments are very similar to those found today. Many of the same species of mollusks, birds, mammals, and insects still exist. However, Pleistocene sediments also contain many large mammals which are now extinct. These include giant sloths, woolly mammoths, and sabre toothed cats. Horses and camels once galloped across the North American plains and giant birds with 25 foot wingspans stalked prey. Scientists state that these extinctions may have been caused by a combination of changing climate, disease, and overhunting by humans.

Bibliography

References

  1. ↑ Gradstein and Ogg, 2004
  2. ↑ Anon. (UCMP)
  3. ↑ Batten, 2007, p.211
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