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.
Legislative and Regulatory Update
- Comments needed regarding proposed NEPA improvements
- Efforts underway to fix the ESA
What's In A Name?
The names attached to these areas came about from many sources. Many are easy to see why the name was given while others had a more contrasting note to them.
Critical Minerals: Titanium—Part II
There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.
Throw-Away Gold: Back to Basics
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.
Ask the Experts — What are Washington state prospecting regulations?
Q: I moved to Washington State in September of 2006. After recently downloading the Washington Gold and Fish Regulations, I was stunned to learn that it will be nearly impossible to prospect or work a located claim in the state of Washington…
Wake Up Voters! Oregon SB 838 Study Group Update
They want to close our roads on public land (built by taxpayer funds) to keep us and our disabled veterans out. And it won’t stop with just mining.
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
