HARTFORD, Tenn. (AP) — Heavy rain, flooding and a rock slide have again closed a section of the major cross country highway Interstate 40 along its narrow corridor through the Great Smoky ...

The methodology implemented is based on a summary of previous works, geological mapping, petrographic study of 20 thin sections, geochemical study through discrimination diagrams of 5 rocks samples, ...

The calculation of reliable Sm-Nd whole-rock isochron ages for igneous rocks depend on the assumption that Sm/Nd ratios of the samples used have not been substantially modified by metamorphism, ...

Here's what to know about the rock that is found in the Upper Peninsula along Lake Superior: What is a Yooperlite? Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula ...

The Secrets of How Life Began May Be Hidden Inside the World’s Oldest Rocks Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that ...

NASA’s Mars rover has spotted something out of this world — a mysterious, skull-shaped elevation – sitting on a slope where star-gazers say it doesn't belong.

This 1930s educational film explores the natural landscapes, geological formations, and agricultural practices of the time. It features scenes of farmers tilling soil, majestic mountain roads ...

Microbiologists have made a groundbreaking discovery in a 2-billion-year-old rock located in northeastern South ...

Without a solid rhythm section, there's little hope for a rock band. Harsh as that may seem, it really cannot be overstated the importance of the cohesion between a drummer and a bassist — they ...

Thin sections were produced from undisturbed samples previously impregnated with polyester resin, as proposed by Murphy (1986). The sections were observed under a Zeiss polarizing optical microscope ...

A House on the Rock representative said a fire broke out in an orchestra bandwagon in the Upper Circus area of the attraction—and was contained by firefighters.