Image:Geomagnetic late cenozoic-220x768px.png
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Late Cenozoic geomagnetic time scale. Dark (light) areas denote periods of normal (reversed) polarity.
This image is a work of a United States Geological Survey employee, taken or made during the course of the person's official duties. As a work of the United States Government, the image is in the public domain. For more information, see the USGS copyright policy.
Source: U.S. Geological Survey
Open-File Report 03-187 http://geopubs.wr.usgs.gov/open-file/of03-187/
(File shrinked and sharpened by User:Rursus. Original was Geomagnetic_late_cenozoic.png
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- (del) (cur) 07:32, 27 November 2006 . . Rursus (Talk | contribs) . . 220×768 (29,202 bytes) (Late Cenozoic geomagnetic time scale. Dark (light) areas denote periods of normal (reversed) polarity. {{PD-USGov-Interior-USGS}} Source: U.S. Geological Survey Open-File Report 03-187 http://geopubs.wr.usgs.gov/open-file/of03-187/ (File shrinked an)
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