As noted in the November Newsletter, local geologist, Bill Swartz, has hosted his last geology tour. Luckily, you can still take this tour yourself by downloading the road log for Spreading Across , the 2014 tour from Colville to Republic. We will miss Bill and his tours. You can read about the geology of Northeast Washington in the introductions to Geologic Atlases of Ferry, Stevens and Pend Oreille Counties.
Rock Hounding in Northeast Washington
Most of us think of crystals as a kind of rock. Actually, almost every kind of solid matter has a crystal structure. Here is a link to the fascinating world of crystallography: http://www.bbc.com/news/science-environment-29952311