Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble is created when limestone is pressure-cooked within the earth, causing the minerals that ...

CARSON CITY, Nev. (KOLO) -The Western Nevada College Geology Club holds its annual Rock, Mineral and Fossil Sale Friday from 2 p.m. to 6 p.m. in Room 322 of the Bristlecone Building on the Carson ...

As rocks erode and flow into the oceans and weather into soil, their minerals provide vital nutrients that underpin ... of rocks and life in our new Evolution Garden, where rocks, fossils, plants and ...

Unaltered hard parts - The body fossil is made up of exactly the same material as when it entered the rock record. Teeth are a good example ... Recrystallization - A process by which the minerals ...

Alanna Magovern Regester laughed after being asked when she first attended a Tucson Gem and Mineral Show. “It was back when ...

Two species of marine molluscs dating back about 430 million years have been named Punk and Emo for their outlandish spiky appearance ...