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→Geological dating: cleaned out bias
== Geological dating ==
== Geological dating ==
Based on [[geology|geological]] dating methods (which include certain assumptions which are questioned by creation scientists)<ref>For example, see Batten, Don, et. al., [http://www.creationontheweb.com/images/pdfs/cabook/chapter4.pdf The Creation Answers Book, chapter 4], 2007</ref>, secular scientific research dates the formation of the Earth to around 4.5 [[billion]] (4.5 * 10<sup>9</sup>) years ago.<ref>[http://pubs.usgs.gov/gip/geotime/age.html USGS, ''Geologic Time: Age of the Earth.''] Accessed April 18, 2007.</ref> According to the [[Big Bang Theory|Big Bang theory]], the [[universe]] began even earlier, about 13.7 billion years ago. <ref>http://www.astro.ucla.edu/~wright/age.html, ''Age of the Universe''</ref>
If the [[logical fallacy]] of [[circular reasoning]] is allowed -- assuming the truth of an aspect of what is trying to prove -- then it is possible to claim an older creation as follows:
* assume that radiometric decay rates have remained constant and are unaffected by environmental changes.<ref>This assumption is known to be false. Tests of [[radiometric dating]] methods have often shown that they do not agree with known ages of rocks that have been seen to form from volcanic eruptions in recent and historic times, and there are also examples of [[radiometric dating]] methods not agreeing with each other.</ref>
* use [[radiometric dating]] to estimate an age for the crust of the [[Earth]].
Based on [[geology|geological]] dating methods (which are circular in reasoning by assuming part of what it tries to prove<ref>Mostly [[atheistic]] scientists arrive at an estimated age of the [[Earth]] of 4.5 [[billion]] (4.5 * 10<sup>9</sup>) years using the above approach.[http://pubs.usgs.gov/gip/geotime/age.html USGS, ''Geologic Time: Age of the Earth.''] Accessed April 18, 2007. According to the [[Big Bang Theory|Big Bang theory]], the [[universe]] began even earlier, about 13.7 billion years ago. [http://www.astro.ucla.edu/~wright/age.html, ''Age of the Universe'']</ref>
Many scientists and most of the public accept the [[Flood]] and reject the above approach.<ref>For example, see Batten, Don, et. al., [http://www.creationontheweb.com/images/pdfs/cabook/chapter4.pdf The Creation Answers Book, chapter 4]</ref>
== See also ==
== See also ==