Prospecting & Detecting
I Just Tripped Over A Nugget
March 2021 by Bob Schall
I metal detected a number of years before I saw my first nugget peeking out from the dirt before I had scraped or dug for it. This one was in the steep sidewall of a narrow, but deep drywash.
Prospecting for Diamonds
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.
Colorado to California for Gold
The total after a great day added with the previous days put them up to 9.07 pennyweight—just under a one-half ounce of beautiful California gold.
Tips and Tricks: Preparing Your Dredge Engine for Storage
From this I inferred that engine 2 had a carburetor problem. In this article, I discuss the specific engine/carburetor problem, and the surprising solution to this problem.
From Iowa to Alaska—How I Became A Gold Miner
May 18, 2019, after 26 years, I had finally saved enough money. I bought my one-way ticket to Fairbanks, Alaska, and I started off by finding a new job…
The Summer of ‘81
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
Detecting Alluvial Bench Deposits -- Pt II
Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.
Clues for Detecting Ancient River Channels and Flats
The gold in this area can get quite large. Most of the pieces are about half a pennyweight on average.
The Bawl Mill • Ask The Experts - Info on Santa Cruz beach placers? • Ask The Experts - Detectors and flour gold • Ask The Experts - Why is the gold in these clays? • Ask The Experts - Can you explain colloidal gold? • Ask The Experts - Where did this kimberlite come from? • Ask The Experts - Can gold particles combine to form a nugget? • Placer Gold Deposits in the Western States • Evaluating Gold Recovery with Mass Balance Calculations • Clues for Detecting Ancient River Channels and Flats • What Is Your Grade? • State of Idaho Looks to Invest in Gold and Silver • Colorado Uranium Mining in the 1950s Boom • Drywashing for Desert Gold—Part II • Decoding Dredge Capacity • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices