Can Gold Be Found In Granite Rock

He found the gold in small scales rarely exceeding a.

Can gold be found in granite rock.

Real gold will not scratch these substances. Gold is most often found in quartz rock. Quartz may be found as small stones in river beds or in large seams in hillsides. Rock contact zones and faults.

You can also try to scratch a piece of glass or unglazed ceramic with the gold portion of the rock. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. There are natural spots on the earth that contain more amounts of gold. The white color of quartz makes it easy to spot in many environments.

It forms from the slow crystallization of magma below earth s surface. Keep in mind that many rocks contain gold just not enough to cover the cost of extracting it. Merrill curator of the department of geology of the u. The concept of favorable host rocks is an important one but the types of rock which constitute favorable can vary a lot from one location to another and can be significantly different.

Many quartz veins and other hard rock gold deposits occur in zones along faults or at the contact. If the quartz sticks to the magnet then it contains iron pyrite or fool s gold. Sometimes the gold is in a finely divided state sometimes in particles of considerable size as nuggets grains scales plates threads and wires in quartz rock. National museum washington upon an occurrence of free gold in granite describes an interesting instance of the dissemination of this noble metal in the substance of granite of normal composition believed to be from sonora mexico.

Gold is found widely diffused in nature even though it is one of the scarcer metals. Gold is commonly found within rock and granite in the earth. Assayers analyze the entire metallurgical content of the rock which can help you determine whether to file a gold claim on the location. Gold encased in quartz rock also known as gold specimens are highly sought after by collectors and prospectors.

Very commonly gold occurs as the native metal encased within quartz. When quartz is found in gold bearings areas it is possible that gold will be found as well. They can be hard to find but using the proper equipment and tactics it is possible to find beautiful specimens. Gold is found throughout the earth and the sea.

A recent paper by prof.