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File:Geomagnetic polarity 0-169 Ma.svg

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File information
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:

  • Kent, D. V.; Gradstein, F. M. (1985). "A Cretaceous and Jurassic geochronology". Geological Society of America Bulletin. 96 (11): 1419. doi:10.1130/0016-7606(1985)96<1419:ACAJG>2.0.CO;2. ISSN 0016-7606.
  • Cande, S. C.; Kent, D. V. (1995). "Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic". Journal of Geophysical Research. 100: 6093. Bibcode:1995JGR...100.6093C. doi:10.1029/94JB03098.
Date

16:05, 2 September 2010 (UTC)

Author

Anomie

Permission
(Reusing this file)
"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.


File history

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Date/TimeThumbnailDimensionsUserComment
current00:37, 26 January 2011Thumbnail for version as of 00:37, 26 January 2011300 × 1,800 (18 KB)Anomie (talk | contribs)rsvg can only handle one-component selectors in CSS. Changing the CSS to take that into account seems to fix it (unless MediaWiki's rsvg is more broken than the version 2.26.3 I have here).
16:37, 2 September 2010Thumbnail for version as of 16:37, 2 September 2010300 × 1,800 (192 KB)Anomie (talk | contribs)Scale 10x original size so MediaWiki won't refuse to render it larger in the article.
16:32, 2 September 2010Thumbnail for version as of 16:32, 2 September 201030 × 180 (192 KB)Anomie (talk | contribs)Just convert all the text to paths with Inkscape and be done with it. Grrr.
16:14, 2 September 2010Thumbnail for version as of 16:14, 2 September 201030 × 180 (18 KB)Anomie (talk | contribs)Try fixing font CSS
16:05, 2 September 2010Thumbnail for version as of 16:05, 2 September 201030 × 180 (17 KB)Anomie (talk | contribs){{NoCommons}} {{Information |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

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