Image: Geomagnetic polarity 0-169 Ma

Size of this PNG preview of this SVG file: 100 × 600 pixels. Other resolution: 40 × 240 pixels.

Original image ‎(SVG file, nominally 300 × 1,800 pixels, file size: 18 KB)

Description: Geomagnetic polarity over the past 169 Ma, trailing off into the en:Jurassic Quiet Zone. Dark areas denote periods of normal polarity, light areas denote reverse polarity.
Title: Geomagnetic polarity 0-169 Ma
Credit: 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: 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. doi:10.1029/94JB03098
Author: Anomie⚔
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.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

Image usage

The following page links to this image:

Geomagnetic reversal

All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.