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Hard Work Pays Off On Hard Rock


They worked their plan, bit by bit, and sure enough, after the blast, gold was detected… Over two pounds of beautiful crystalline gold was recovered in that stretch!

The Mysterious Telluride Minerals


…let’s dive in and take a closer look at these rich gold and silver-bearing minerals to find out what they are, where they form, and how to identify them.

Reminder: Annual Claim Filings Due


Mining claimants who wish to retain their mining claims on Bureau of Land Management and Forest Service lands through the 2021 assessment year must pay a maintenance fee or file a maintenance fee waiver certificate on or before September 1…

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Prospecting for Copper—What to Look for on the Outcrop


For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.

Dredging Tips and Tricks: A Measure of Water Pump Efficiency


…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?

Hard Rock 101: Small-Scale Blasting


…the process remains much the same: Drill holes, load explosives, close up the holes, blast and muck out the resulting broken rock.

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Hard Rock 101: Micro Blasting


Micro blasting can be used to take down hanging rock, separate minerals from overburden, and collect gemstones and other high-value product with minimal damage.

Practical Advice for Milling Hard Rock Ores


The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.

Speed Prospecting for Hard Rock Gold


An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.

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Hard Rock 101: Mechanical Techniques


Since we know that the secret to breaking rock is applying force from the inside out (putting tension on the rock), we will be looking at ways we can generate force using human and machine power.

Resurrecting an Old Hard Rock Mine—Setting Up the Millsite


One of the first things we did while looking at buying the equipment was figuring out how it would dovetail into the milling process we already had in mind.

PLP Update: The Path for Legally Re-Starting Suction Gold Dredge Mining in 2021


Present conflicts and realizations having to do with dependence on China have illuminated the fact that suction dredge miners have a vital role to play and are an ignored and untapped domestic resource—until now.

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Memories of Shirttail Creek, Northern California


…for a few hours, we fervently dug for gold. After we did a cleanup, I couldn’t believe the amount we got.

Hard Rock 101: Breaking Rock—Part I


What do you do when you’ve located a promising deposit of gold or gemstones, but it’s trapped in solid rock?

Sampling for Success—Part II


The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.

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Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length


If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.

Legislative and Regulatory Update


  • NEPA comments due
  • Update on latest US Supreme Court suction gold dredging appeal
  • Washington State tries to restrict suction gold dredging

How to Turn Your Gold Finds Into Cash


Even if you are not ready to cash in right now, it might be good to evaluate your options and make a plan of action so when that day comes you know exactly what to do.

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Caught Between A Hard Rock and A Rare Earth Place


The same day, while two of us were heading to Vancouver to attend the mining convention, two others from our team were headed to Nevada to begin loading the millsite equipment.

Sampling for Success—Part I


All these decisions and more depend on the richness of a claim—something that is determined by sampling. But sampling isn’t cheap, and even collecting the samples can be more difficult than it appears on the surface.

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