Tree Rings Capture Magnetic Pole Reversal (Almost)

[Scylla]

A Kauri tree fossil from New Zealand captures the time when the north and south poles almost switched in its 1500 tree rings.

 

https://www.newsweek.com/ancient-tree-discovered-earths-magnetic-field-1447570?amp=1

[Auspex]

" An ancient tree that contains a record of a reversal of Earth's magnetic field has been discovered in New Zealand. The tree—an Agathis australis, better known as its Māori name kauri—was found in Ngawha, on New Zealand's North Island, during excavation work for the expansion of a geothermal power plant"

 

https://www.newsweek.com/ancient-tree-discovered-earths-magnetic-field-1447570?fbclid=IwAR0yU5aU3UaJlvbut89stq7yJANeYS72hzRg_8OEIVZmqvvoHxJSIVGhqMQ

[Fossildude19]

This is pretty neat, Chas!

Thanks for posting the article.  

[FossilNerd]

Very cool article!