科罗拉多河是通过溢出形成大峡谷的. New study suggests Colorado River formed Grand Canyon by spillover.

科罗拉多河形成了大峡谷, 在数百万年前流入盆地并溢出边缘, 这挑战了以前的逐渐侵蚀理论. A new study proposes that the Colorado River formed the Grand Canyon by draining into a basin and spilling over its edge millions of years ago, challenging older theories of gradual erosion. 虽然有些科学家支持这种溢出理论, 但其他人对古代大湖的证据持怀疑态度. While some scientists support this spillover theory, others remain skeptical about the evidence for a large ancient lake.