Stand at the South Rim of the Grand Canyon and look down. The banded rock walls dropping nearly a mile to the Colorado River ...

Coal. It powered the industrial revolution and fueled the early development of the science of geology. When the geologic time periods were being named, mainly in Great Britain, the time during which ...

A new digital geologic map of Alaska is being released providing land users, managers and scientists geologic information for the evaluation of land use in relation to recreation, resource extraction, ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying topographic ...

Maps are an important tool for learning about the world around you. Some maps are designed to show what roads will take you where, and others are designed to tell you about the actual land in a given ...

A view of the Stikine River near Wrangell and Petersburg. (Courtesy Cindi Lagoudakis) A geologist who has studied Southeast Alaska’s rocks and minerals for decades is creating a new geologic map of ...

Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.