Humans have become a geologic force by cooking the planet — using fire on a scale that is altering land, water, air and ...

The authors also found evidence of w-shaped flood channels using seismic data and developed computer models to simulate how ...

Closely related to the history of sedimentary rocks are the age of the Earth as an astronomical body and the evolution of the planetary system. We shall see from the discussion of the following ...

The Earth and its moon are believed to have originated ... and it doesn’t account for the ages of some zircon minerals on its surface. A possible answer is that the moon underwent a “remelting ...

Defined in the briefest fashion it is the geology of Lyell. Hutton had given us a “Theory of the Earth,” in its main outlines still faithful and true; and this Lyell spent his life in ...

Geochemist Clair Patterson sets the age of the Earth at 4.550 billion years, relying on ages of meteorites (including the Canyon Diablo meteorite, shown) that formed around the same time.