Brunhes

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Brunhes A palaeomagnetic chron, characterized by normal magnetization (i.e. the geomagnetic North and South Poles are in the northern and southern hemispheres respectively), in which we are living at present. It began about 730 000 years ago. During the Brunhes there have been four reversed polarity excursions: Blake (110000bp); Lake Mungo (30000bp); Laschamp (20000–8730bp); and Gothenburg (13750–12350bp).

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