Small Mining Operations
A High Price to Pay
February 2012 by Chris Ralph
Over the last several months, starting from before I left for Australia, I’ve been working on getting all the 2011 paperwork done for my mining claims. I will admit that some parts of the paperwork I let go until only a week or two before the due date.
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
The Challenge of Winter Dredging
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
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.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Prospecting Hard Rock
We panned out maybe three gold pans of the material and we were shocked at the gold that was there. This rock appeared to be rich.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Subscription Required:
The Bawl Mill
• Ask the Experts - ...Worth further investigation?
• Ask the Experts - Processing sulfide ore without mercury or cyanide.
• Regarding "Good Assays and Bad"
• New "Employment" Category
• 4 Keys to Successful Nugget Hunting
• Eolian Placer Gold
• All the Gold Ever Mined...
• The Basics of Geophysical Exploration
• Targeted for a Tax Audit
• Feds Order Closure of Idaho Mine
• Trying Out the New Highbanker
• A Gold Mine on a Washington Beach?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask the Experts - Old workings & tailings: What are my options?
• Legislative and Regulatory Update
