IN spite of the revolution that was recently effected among the Government geological surveys of the American Union, provision has wisely been made for the completion of the Reports of the different ...

Boulder, Colo. – The last definitive geologic map of North America was published before the theory of plate tectonics was widely accepted, back in the days when impact craters were known simply as ...

An immense pocket of hot rock deep beneath the Appalachians may be a wandering relic of the breakup between Greenland and ...

Plan for the Subject-Bibliography of North American Geology, by G. K. Gilbert, of the U.S. Geological Survey.—The United States Geological Survey is engaged on a Bibliography of North American Geology ...

Is this the start of Goo York City? UK scientists have discovered a massive “blob” of rock underneath the Appalachian mountains that’s slowly oozing its way toward New York City, per a slimy new study ...

"This is v. K-1 of the Geological Society of America's Geology of North America series produced as part of the Decade of North American Geology Project." "Cat. No ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage ...

A giant blob of abnormally hot rock beneath the Appalachian Mountains formed when Greenland separated from North America around 80 million years ago, new research suggests. Scientists previously ...

(CNN) — There’s a giant blob of incredibly hot rock beneath New Hampshire — and it may be part of the reason the Appalachian Mountains are still standing tall, according to new research. It has, ...