资讯

来自MSN3 个月
Continental drift: Why the need for critical minerals might change the way we define Earth ...
New oceanic crust is formed at mid-ocean ridges ... Some can be nearly as old as the solar system itself, about 4.6 billion years. Continental crust is generally higher in silica, which makes ...
Animals Around the Globe on MSN13 天
America’s Eroding Crust: The Strange Saga Beneath the Midwest
Beneath America, something ancient and invisible is at work. Deep under the heart of the Midwest, a long-buried slab of Earth ...