Prospecting & Detecting
Ask the Experts
September 2014 by Chris Ralph
• What to prospect with on the Klamath RiverProspecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Companion Gold
Easing around the bedrock ledges and rock hopping, Terry and I came out into the open and were looking at a nice run of bedrock.
The PIGMI—a DIY Crevice Tool
I’ve had great success using it to gather gold from crevices. I’d like to share the design with all of you gold miners reading this article and hope that you get as much satisfaction building and using it as I did.
Geobotany: Plants Associated With Mineral Deposits
Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.
Putting Together A Small Free Gold Mill—Part II
There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.
Small-Scale Processing of Hard Rock Ores
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
Just Another Ordinary Weekend
There was no evidence that anyone else had ever worked this gully with the exception of some old sample piles near the foot of the ravine.
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The Bawl Mill
• Ask the Experts
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• Wilfley Tables—Repair, Rebuild & Set Up
• Designing and Evaluating Placer Gold Recovery Plants
• Finding Streams of Gold
• This is Why You Check Your Tailings
• Lode or Placer: What Difference Does It Make?
• New Rules to Impact the Lease/Buy Decision
• There's a First Time for Everyone
• Appeals Court OKs Permits for Upper Peninsula Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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