:en:File:Geomagnetic polarity 0-169 Ma.svg
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|description = Geomagnetic polarity over the past 169 Ma, trailing off into the Jurassic Quiet Zone. Dark areas denote periods of normal polarity, light areas denote reverse polarity.
|source = Image created de novo from lists of periods of normal polarity from the following papers:
- {{Cite journal | last1 = Kent | first1 = D. V. | last2 = Gradstein | first2 = F. M. | title = A Cretaceous and Jurassic geochronology | journal = Geological Society of America Bulletin | volume = 96 | issue = 11 | pages = 1419 | year = 1985 | issn = 0016-7606 | doi = 10.1130/0016-7606(1985)96<1419:ACAJG>2.0.CO;2}}
- {{Cite journal | last1 = Cande | first1 = S. C. | last2 = Kent | first2 = D. V. | title = Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic | journal = Journal of Geophysical Research | volume = 100 | pages = 6093 | year = 1995 | doi = 10.1029/94JB03098| bibcode=1995JGR...100.6093C}}
|date = 16:05, 2 September 2010 (UTC)
|permission = "Facts that were discovered", such as the dates of geological events, are non-copyrightable in the US; specific presentation of that data, such as this image, may be subject to copyright.{{PD-self|date=September 2010|no Commons=yes}}
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Category:International Commission on Stratigraphy geologic time scale of Earth