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Ancient kauri uncovers prehistoric mystery.

Published February 22, 2021

The ancient Kauri uncovered in 2019 during excavations of Top Energy’s Ngāwhā geothermal power station has been used to confirm that a temporary breakdown of Earth’s magnetic field 42,000 years ago sparked a major climate shifts leading to global environmental change and mass extinctions. The story has captured international and local media and you can read the coverage at the links below.

The Conversation: https://theconversation.com/earths-magnetic-field-broke-down-42-000-years-ago-and-caused-massive-sudden-climate-change-155580

Science News: https://www.sciencenews.org/article/earth-magnetic-field-reversal-mass-extinctions-environment-crisis

Stuff: https://www.stuff.co.nz/science/300234407/earths-magnetic-field-broke-down-42000-years-ago-and-caused-massive-sudden-climate-change

New York Times: https://www.nytimes.com/2021/02/18/science/laschamp-earth-magnetic-climate.html

Biographic: https://www.biographic.com/swamp-sentinels/

NZ Herald: https://www.nzherald.co.nz/nz/ancient-northland-swamp-kauri-solves-42000-year-old-mystery/R3KTH5HHDBEWICCI3B63FXM2OM/

Downloadable articles

Paleoenvironment 1.7 MB
A global environmental crisis 42,000 years ago
The Conversation 1.0 MB
Earths magnetic field broke down 42,000 years ago and caused massive sudden climate change
Biographic 1.5 MB
Swamp Sentinels