Through rocks and minerals, we can learn about the evolution of our environment, from tectonic processes to past climate. On Earth we find different types of rocks, which are classified according to ...
The 23rd Annual ‘Rock, Gem & Jewelry Show’ returns to Sedona on Saturday, October 19 from 10 a.m. to 5 p.m. and Sunday, October 20 from 10 a.m. to 4 ...