THE discussion on this subject arranged by the Faraday Society excited great interest, and the collected papers contain much that is of value. Whilst most of the speakers dealt with heterogeneous ...

Both volcanic and plutonic rocks occur associated with the Martinsburg formation in Lebanon County. The area is located about one-half mile south of Jonestown and is approximately six and one-half ...

Volcanic monoliths are a common sight in the landscape of the American West. Rising high above the often-desolate surrounding plains, these structures of igneous rock are testament to a violent ...

An astonishing new rock formation has been revealed in the Colorado Rockies, and it exists in a deeply perplexing relationship with older rocks. Named the Tava sandstone, this sedimentary rock forms ...

STATEN ISLAND, N.Y. -- While ancient serpentinite -- found from St. George to the LaTourette golf course -- forms our Island's backbone, it isn't the only kind of rock found here. Serpentinite is a ...

One main goal of NASA's Mars 2020 mission is to determine when conditions on the planet were conducive to the formation of liquid water. Hence the target Jezero crater, seemingly a lakebed with a ...