Ancient rocks reveal early plate motions
Summary
Science. 2026 Mar 19;391(6791):1278-1282. doi: 10.1126/science.adw9250. Earth had variable tectonic plate motions and a strong, stable magnetic field 3.5 billion years ago.
Content
# Ancient rocks reveal early plate motions
*Published: 2026 Mar 19*
Science. 2026 Mar 19;391(6791):1278-1282. doi: 10.1126/science.adw9250.
Earth had variable tectonic plate motions and a strong, stable magnetic field
3.5 billion years ago.
DOI: 10.1126/science.aef5648