BCJS+4.2

toc =Chapter 4.2=

Vocabulary

 * Solution:** clear mixture where one substance has dissolved into a different substance
 * Vein:** small area of mineral that is a sudden transition from surrounding minerals

Outline

 * **Mineral-forming processes**
 * **Melted materials crystallization**
 * Magma or lava cools to solids, forming minerals with crystals
 * The faster it cools, the smaller the mineral
 * **Materials dissolves into water**
 * Water sinks into cracks in ocean's crust, heated, dissolves minerals
 * Rise up out of "chimneys"/vents
 * Solution hits cold water, minerals crystallize, sink to bottom
 * **Evaporated water, minerals left behind**
 * Mineral-rich water evaporates and leaves solid minerals behind
 * Could be called sedimentary
 * **Mineral locations around the world**
 * Mostly common rock forming minerals, all spread evenly
 * Rare minerals concentrate in certain areas