Abstract
PALAEOMAGNETIC evidence does not support the model of a supercontinent made up of Laurentia and West Gondwanaland existing between 2,200 and 1,800 Myr BP. The palaeomagnetic poles (except those based on fewer than 10 samples) from the Laurentian Shield for the interval 2,200 to 1,800 Myr BP are shown in Fig, 1. The poles form a reasonably coherent array stretching from what is nowadays the Mackenzie delta to Peru, This polar path is referred to as polar track 5 (ref. 1), and the sense of apparent polar motion is probably from north to south.
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McGLYNN, J., IRVING, E., BELL, K. et al. Palaeomagnetic poles and a Proterozoic supercontinent. Nature 255, 318–319 (1975). https://doi.org/10.1038/255318a0
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DOI: https://doi.org/10.1038/255318a0
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