Prospecting & Detecting
Placer Gold Deposits of Utah
December 2018 by Chris Ralph
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
Finding Gold with a VLF Detector—Part II
It is this ability to hear and respond to the faintest of audio signals that I believe separates the best nugget hunters from everyone else.
Prospecting Underground: Use Caution
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.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Alaskan Gold Adventure
In Chicken I had my first experience with the famous Alaska blue clay, sometimes called the blue layer. The blue layer is where the best fine gold was to be found.
Prospecting Knowledge -- Pass It On!
I had two of the guys go down into the creek and each one picked out a small island of bedrock. I had them detect their piece of bedrock and then gave a critique to all on how they did.
Metal Detecting Old Hard Rock Mine Dumps
The type of mine dump that is best for metal detecting are the ones that consist of mixed sizes of rock and are located near some sort of excavation, commonly a shaft or adit. Sometimes the piles located along a trench dug by the miners can be productive as well.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - LR 2000, ArcGIS, and other mapping applications
• Ask The Experts - Advice for a new prospector in Placerville, California?
• Proven Strategies for Detecting Gold
• Gold Prospecting for Better or Worse: Lesson Learned
• Time to Come Home
• Gold Indicators—What to Look for in the Goldfields
• The Rest of the Story—Detecting With Ray Mills
• Gold and Mining Stocks Will Rebound—But When?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask The Experts - Can a detonation help determine the size and location of basalt?
• On the fence about subscribing? Want to check out a 3D sample issue?
• Resurrecting An Old Hard Rock Mine
• PLP Update
