Garrett Electronics - trusted by real miners & prospectors!

Magazine

History & Geology

Natural Gold Alloys

Natural 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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Can You Recognize Valuable Ores?


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.

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits


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.

Reese River Silver Mining District, Nevada


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.

Alaska: Kodiak Islands Mineral Resources


The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.

The Amazing Mineral Tourmaline


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!

Nevada's Silver City Gold District -- Part II


...this district has had a continuous life of gold mining and milling that spans 150 plus years, and it appears that it will keep pressing on for many more years of production.

Hard Rock and Placer Gold of Manhattan, Nevada


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.

Subscription Required:
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

Free:
Legislative and Regulatory Update   • Twenty-Five Gold Indicators You Should Know

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Live Auctions!
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue