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Paleomagnetic barcode

Diagram of barcode pattern of magnetic reversals last 3 mill yrs

Changes in magnetic polarity are preserved in rocks of the ocean crust. This diagram shows the barcode pattern of magnetic reversals over the last 3 million years. All the stripes have been dated, but for clarity, only some are shown.

Rights: The University of Waikato Te Whare Wānanga o Waikato
Published:11 May 2011Size: 56.11 KB