Reserachers tackle the hot topic of whether to define a new 'Anthropocene' epoch as a formal unit of the geologic time scale. In the March-April issue of GSA Today, Stanley Finney (California State ...

Eugene Shoemaker with some of the first geologic maps of the Moon, Flagstaff AZ, mid-1960's Many people are surprised when they learn that well before the first landing of Apollo in 1969, we already ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

New research conducted at Iowa State University led to the successful creation of a detailed Quaternary geological map for the Des Moines Lobe with a user-controlled level of scale, with the results ...

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 ...

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 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 ...