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.
Fluorescent Mineral Prospecting
Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.
Geology of Placer Deposits: Reading a River
September 2022The exact point where you choose to dig for gold makes all the difference in the world.
Detecting Old Ground Sluice Locations
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Gemstones to Die For
Some gems can potentially poison you, make you sterile and even make you forget who you are.
Hiding Out In The Open
December 2022
The Basics of Exploration Leases and Contracts—Part I
Let’s take a look at these important property aspects individually, because they all affect the value of a property and how much mining companies might or might not be interested acquiring it.
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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
