File:Geomagnetic late cenozoic-220x768px.png
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Late Cenozoic geomagnetic time scale. Dark (light) areas denote periods of normal (reversed) polarity.
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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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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current | 13:05, 24 February 2007 | 220 × 768 (29 KB) | DMY (talk | contribs) | 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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