That's because rocks are made of different minerals and rocks get their names (mostly) from what minerals they contain. Now, much of the time, once you've been trained to identify minerals, you can ...

Wild Earth Rocks is where crystals sparkle, people find gifts and young geologists dream. 11-year-old Paul Stevens became ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

When it comes to the fall of the Roman Empire, this climate shift may have been the straw that broke the camel’s back.” ...

ROCK up and dig deep into the past for a gem of a day this weekend at the National Coal Mining Museum for England - Geology ...