Company Notes

August 1999 by Staff

Regarding "Good Assays and Bad"

February 2012
Last month I wrote an article entitled “Good Assays and Bad,” which gathered a few comments.

The Basics of Crushing and Milling Operations

February 2011
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.

Excavator Testing Wet Placer Ground

April 2013
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.

Exploring Placers with Auger Drills

June 2014
Augers can be used effectively for placer exploration with certain limitations.

The Basics of Geophysical Exploration

February 2012
In developing a mineral property or mining claims, one of the first goals is to identify and quantify valuable deposits. The classic method of doing this is by drilling holes into the ground to sample what is below the surface. The problem is that one or two holes usually are not going to tell you a whole lot...

Customizing Your Dredge

January 2013
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.

Pocket Gold

June 2016
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.

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