How To
Ask The Experts
December 2015 by Chris Ralph
• How do I separate silver from lead ore?Tips for Detecting Nugget Patches
Company Notes
• Homestake Mining Company
• Placer Dome Inc.
• AZCO Mining Inc.
• Guyana Diamond Corp.
• Canadian Mining Company, Ltd.
• Hecla Mining Company
• Pan American Silver Corp.
Lode or Placer: What Difference Does It Make?
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
Ask The Experts: Question about resolving a quitclaim error
Q: I am in the process of filing an appeal with my lawyer, but am seeking more “expert” advice in the arenas of “mining claims” and BLM jurisdiction.
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.
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The Bawl Mill
• Our Readers Say
• SB 838 and the Salem Witch Hunt
• Small-Scale Hard Rock Production
• Researching Mineralized Areas
• MMAC & PLP Update
• VLF Detector Operating Modes
• Using Geologic Maps
• Canadian Company Recovers 1,111-Carat Diamond
• Lost Sally's Gold
• Time to File Claims in Southern California
• Colorado Disputes Key Part of EPA Mine Report
• Picking Our Way Through Bedrock
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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Legislative and Regulatory Update
• What Is Incidental Fallback?
