Crushing, Grinding and Pulverizing

May 2017 by Alex Dolbeare

There are many different ways to get the gold out. We will take a look a few examples of crushing and grinding, and potentially which ores they may be best suited for.

The San Juan Mountains, Colorado

September 2001
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.

Prospecting Tales: Forest Service, Fires and Bears—Oh My!

October 2013
I woke up on Sunday morning, August 10, to heavy smoke. I saw where it was coming from, but it seemed like it was a long way off so I thought I was okay for the time being.

Prospecting Australia—Part I

October 2011
The call of gold is a strong one and it has pulled men from every corner of the planet. That said, I guess it’s now my turn to chase far away gold.

MMAC & PLP Update

July 2015
On July 4, we are reminded of the sacrifices our Founding Fathers made to establish this great country of ours, and in that spirit, the Minerals and Mining Advisory Council (MMAC) has created a draft Declaration of Miners.And MMAC has been hard at work writing a bill, with the unwavering support of several members of Congress, to reaffirm the rights of miners operating in traditional mining districts.

Finding Gold with a VLF Detector—Part II

May 2014
It is this ability to hear and respond to the faintest of audio signals that I believe separates the best nugget hunters from everyone else.

Melman on Gold & Silver

February 2006
Well, another year, another pile of worries. First, just as it appeared that real progress was being made in finding a solution to the seemingly intractable situation between Israel and the Palestinian people...

Ask The Experts—Amalgamation

January 2011
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...

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