Devin takes a look at a few of the methods of mineral formation    Click HERE to download

Feldspars are the second most common group of minerals on Earth.  The are important contributors to soils as they weather relatively easily to form clays.  Potassium, Sodium and Calcium are the most common elements in Feldspars passed on to plants and animals, and are all elements critical to human life. Click HERE to download

Devin talks about the three basic rock types:  Click HERE to download