There’s a massive fault hidden under America’s highest mountain — and we finally know how it formed
We finally know how a fault that gave rise to Denali, North America’s highest mountain, first formed. According to new research, the Denali Fault is actually an ancient suture mark where two land masses once joined together. Between 72 million and 56 million years ago, an oceanic plate called the Wrangellia Composite Terrane bumped into […]