What To Do When Gold Recovery and Assay Values Differ
May 2018 by Don Robinson
Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.
The next morning, I retrieved the compressor and again attacked the sticky head bolt. As if by magic (and some applied physics) the head bolt sighed and finally broke loose.
From this I inferred that engine 2 had a carburetor problem. In this article, I discuss the specific engine/carburetor problem, and the surprising solution to this problem.
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
Fascinated by the sapphires—and the gold that occured with them—he was soon buying parcels of property and setting up his own commercial-scale gravel processing plants.
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
I figure there are a lot of new people out there who have the same question. I will try to give some answers that hopefully will give you more confidence in finding your own spots.
The Bawl Mill • Ask The Experts - Is this a significant cobalt find? • Ask The Experts - Is this ICOG deposit commercially feasible to mine? • Ask The Experts - How to sell gold specimens • Our Readers Say • Putting Together A Small Free Gold Mill • Feds Sue California over Sales of Public Lands • Legislative and Regulatory Update • Metal Detecting Old Hard Rock Mine Dumps • Because I Said So • Hecla Fights Bad Actor Label in Montana • The Miner’s Switchback • Prepping For A New Season of Gold Hunting • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices
PLP and MMAC Update