Prospecting & Detecting
Ask the Experts
August 2013 by Chris Ralph
Q: Will my detector react to fine gold?Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Search Coils and Techniques
This article is intended to try to help someone who is breaking into gold detecting and using a pulse induction (PI) detector.
Selectable Frequency vs Multi Frequency Detectors
I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.
The Hunt for Remote Canyon Gold
A large, 8-pennyweight piece popped out of a very small crevice where the water had been extremely swift in the winter, leaving no visible gravel.
A Lesson In Underwater Sniping
Of course, I know a bit about crevicing, but Steve seems to really have a knack for it, and I’m all about continual learning. I can always learn a few tricks from the pros.
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.
An Interview with Minelab Engineer Mark Lawrie
The design of metal detectors well-suited for prospecting is an interesting process and not necessarily an easy one to achieve. It is a combination that blends the desires of what prospectors would like, the requirements of sales people and dealers, with the science and physics of what the electronics can achieve.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Common Mistakes of the New Detectorist
• The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II
• Mining for Gemstones and Mineral Specimens
• Fighting and Winning Without a Lawyer
• The Essentials of Dry Washing
• Fortymile, Alaska Prospecting Adventure
• Court Says Emergency Rule in California Unjustified
• Sampling Placer Stockpiles
• Lower Prices Bring Layoffs
• Prospecting Research
• Buyer Beware! Counterfeit Metal Detectors
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Underground in the Original 16-1 Mine
Free:
Legislative and Regulatory Update
• Annual Claim Fees Due September 3, 2013
