Natural Gold Alloys
March 2014 by Chris RalphNatural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.
The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
The strike and the dip of the veins can be broken down into two categories: veins in the eastern area and along Lander Hill, and the veins in the southwestern portion of the district.
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
He found 5 to 7 feet of gravel containing half an ounce per yard. This started a rush of placer activity and several other shafts were sunk, with some large multi-ounce nuggets being found.
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Prospecting Hard Rock • Reese River Silver Mining District, Nevada • Alaska: Large-Scale Mining Can Be Done Right • Gold of the Iditarod Mining District, Alaska • Bedrock • Government Takes Land for Open Space • Comments on Gold Rush and Bering Sea Gold Series • Hidden Value in Old Tailings • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices