All Articles
Recovering Fine Gold: Getting the Most from Your Sluice Box
October 2005 by Chris Ralph
The sluice box is probably the most common gold recovery device after the pan. For centuries, the sluice has been the world’s most popular device for medium to large-scale primary placer gold recovery.
Trout Thriving In Treated Mine Water
West Virginia University water scientists have found that rainbow trout can survive in previously polluted waters.
Aussie Gold—Swinging Over to South Australia
Since the founding of the original colony in 1836, minerals have proven a vital resource to fund the State’s development. Originally, copper was the lifeblood, being discovered not long after settlement.
Ask The Experts—What is a "closed" claim?
Q: I’ve been using a computer program that lists both active and closed mining claims. Can you tell me the definition of a closed claim and why they would be shown?
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Ask The Experts—Where do I find information about getting paid for raw gold?
Q: Where do I find out information about raw gold being tested for purity, refined, and getting paid cash for it?
Detecting Alluvial Bench Deposits
The same questions you ask yourself about gold trapping features in the present stream can be applied to the benches above the stream. Just imagine the stream at a much earlier time, before it cut its way down to the present level…
Hunting Down Paystreaks
When I teach people about finding gold, I often explain that it is helpful to think of any river or stream that carries gold as being something like a sluice box.
Subscription Required:
The Bawl Mill
• Newmont's Gold Quarry Mine
• Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part II
• EPA Offers Liability Protection to Spur Cleanups
• Study: West Has Vast Oil Shale Reserves
• Picks & Pans: Detecting Micro-Nuggets
• The Notch Peak Intrusive
• 2005 California State Gold Panning Championships
• Company Notes
• Tales of California Gold Discoveries 2nd in a Series—The Jenny Lind Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







