Somewhere beneath Kansas, a well drilled in the 1980s for natural gas kept returning an unexpected reading: hydrogen, in concentrations high enough to notice but not high enough for anyone to care ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

In what the agency hopes will spur a major leap in American geoscience, the U.S. Geological Survey has released a new mapping tool that allows anyone to peer into the earth beneath their feet. Dubbed ...

The first fully digitized geological map of Alaska, the product of two decades of work, was released Tuesday by the U.S. Geological Survey. To create the map and its voluminous supporting material, "I ...

Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

This map provides a picture of the nation's geologic basement. More than 80 pieces of crust have been added to the nation's basement since the Earth began preserving crust about 3.6 billion years ago.