Fire Assay Finish by Silver Nitrate Fusion for PGMs
July 2021 by Mike Robinson
…my intent is to distribute this information in layman’s language so that even the “backyard/shade tree/mom & pop” fire assayers can benefit.
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
I’ve been in enough mines to know better, and I mentally kicked myself several times. That was a close call…
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
I pulled out the nuggets I had worked on previously and looked at the size of the wire basket that the items to be cleaned are placed into. It looks much like a miniature french fry deep fryer.
With the exception of well-established operators with proven reserves and years of field experience, the high price of gold brought a flood of speculators, con men, and real estate brokers into the mix who were not previously engaged in the gold mining market.
With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - What percentage of the gold price can I get from a buyer? • Ask The Experts - Is a hookah battery setup legal in California? • Ask The Experts - Are friends and relatives regulated like employees? • Ask The Experts - What do you use for flux for melting gold? • Ask The Experts - Why Isn't There A Dual Coil Detector? • Ask The Experts - Who has the rights to a vein that goes under a neighboring claim? • Ask The Experts - Is platinum usually magnetic? • Ten Detecting Tips for the Savvy Desert Prospector • All About Hard Rock Drills • Gold Prospecting for Better or Worse: When a Gold Prospector Goes to a Diamond Mine • Why So Much Gold in Nevada? • A Golden Past • Do Gold Nuggets Come Out At Night? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices