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Geomagnetic polarity timescale
The Late Cretaceous period section of the geomagnetic polarity timescale. This shows the barcode-like patterns of normal and reversed magnetic field measured in oceanic crust. The changes have been accurately dated using radiometric methods.
Rights: The University of Waikato Te Whare Wānanga o Waikato
Published: 11 May 2011Size: 57.31 KB