How To
Ask The Experts
May 2016 by Chris Ralph
• How small should I crush my hard rock ore?
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
The ABCs of XRF
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
How to Use BLM’s New Mineral and Land Records System
This new map-based tool is far superior to the old version with lots of potential layers and information that a prospector can use in research.
Finding Gold with a VLF Detector—Part II
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.
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.
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.
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