Geologists have now provided conclusions regarding the North American Cordillera that they say "are provocative in that they blur the definition of tectonic terranes, showing that many observations of ...

In the August 2014 issue of Lithosphere, Steve Israel of the Yukon Geological Survey and colleagues provide conclusions regarding the North American Cordillera that they say "are provocative in that ...

Boulder, CO, USA - This new Special Paper from The Geological Society of America is a product of nearly 25 years of geologic investigations. It is a detailed exposition of two small areas, both less ...

Structural and petrologic development of the Baker terrane, Blue Mountains, NE Oregon. Crustal growth along the southern margin of Laurentia, Sierra Madre, Wyoming, and Park Range, Colorado. Tectonic ...

Explore the dynamic nature of the U.S.-Mexico border, where the Rio Grande's shifting course affects boundaries as geologic changes unfold. The U.S.-Mexico border near San Diego, California. Wikimedia ...

When and where did the ancient Iapetus Ocean suture (the most fundamental Appalachian structure) form? Is part of New England made up of ancient African-derived rocks? What is the Moretown terrane? A ...

Mineralogy, petrology, petrology of massif anorthosites and related rocks, regional geology of the Virginia Piedmont Owens, B.E., and Buchwaldt, R., 2024, Further evidence for Devonian magmatism ...

Boulder, Colo., USA - In the August 2014 issue of LITHOSPHERE, Steve Israel of the Yukon Geological Survey and colleagues provide conclusions regarding the North American Cordillera that they say "are ...

When and where did the ancient Iapetus Ocean suture (the most fundamental Appalachian structure) form? Is part of New England made up of ancient African-derived rocks? What is the Moretown terrane?