John A. Tarduno

Appears in1 item

• 
  The History of Earth1 item
  • The oldest reliable magnetic field · discoverer3.45 Ga

Sources

1. ArticleGeodynamo, solar wind, and magnetopause 3.4 to 3.45 billion years ago
2. ArticleYoung inner core inferred from Ediacaran ultra-low geomagnetic field intensity