rocks that pertain gold in them

Minerals Rocks and Gems

Minerals Rocks and Gems What is the difference between a mineral These are hard questions but some of them at least have scientific answers

Minerals of Alabama Encyclopedia of Alabama

Alabama is home to a diverse and widespread variety of minerals with more than 190 mineral species occurring in the state These minerals have played a key role in the development of the Bauxite state beginning with the prehistoric period when flint mica clay and other rocks and minerals were used by Native Americans

Vein geology

In many gold mines exploited during the gold rushes of the 19th century vein material alone was typically sought as ore material In most of today s mines ore material is primarily composed of the veins and some component of the wall rocks