Digital Archive (ERDA)
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Detailed File Information
Illustration of a Geomagnetic-Polarity Timescale
File Name m00003.d3.geomagnetic.polarity.epochs.jpg
Data Type diagram
Computer Program Adobe Illustrator 10
File Size 47.00 KB - 1 file
Expert Level High School (Grade 9-12)
Contributor Hillary Mills
Source Vine 1966
Resource Matrix Geological Time Scale
This image displays geomagnetic-polarity epochs and their correlation to an age in millions of years and a specific magnetic anomaly. The age of the seafloor is based on K-Ar dating. Blue anomalies represent normal magnetic polarities and red anomalies are reversed magnetic polarities.
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