Deep Nuggets From The Strange Little Patch
April 2018 by Adam H
I began detecting at the bottom of the gully and started making my way upstream. About mid-way there was a nice, flat stretch for about ten feet.
A while back I was given a very special opportunity to take my metal detector to one of the most famous gold mines in all of California, the Original Sixteen to One mine in Alleghany.
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
The story began in a southern Arizona mountain range...
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
I worked my way to a flat area along a ridge where I could see a quartz blowout. As I got within 100 feet of it, I started seeing rock that I knew to be associated with gold.
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - What Do I Look For and How Do I Sample? • Ask The Experts - Prospecting Around Graeagle • Hunting Down Paystreaks • We’re Still Thinking About It • Springtime Sampling In The High Desert • How to Evaluate Mineral Claims—What to Know Before You Buy • Dredging Safety: Don't Ignore The Warning Signs • Russian Plane Spills 3 Tons of Gold on Runway • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices