Small Mining Operations
Small-Scale Hard Rock Mining With Water Recycling
March 2015 by Bruce Mann
Once I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.
Additional articles that might interest you...
Gold in Tertiary Gravels
November 2015
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
A High Price to Pay
February 2012
Over the last several months, starting from before I left for Australia, I’ve been working on getting all the 2011 paperwork done for my mining claims. I will admit that some parts of the paperwork I let go until only a week or two before the due date.
Over the last several months, starting from before I left for Australia, I’ve been working on getting all the 2011 paperwork done for my mining claims. I will admit that some parts of the paperwork I let go until only a week or two before the due date.
Ask the Experts
August 2014
Centrifugal bowls versus jigs
Centrifugal bowls versus jigs
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
August 2012
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.
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.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
April 2013
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Gold Deposits of Montana
March 2013
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
The Fire Assay of Carbon
February 2016
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
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• Gold Rush Continues in Africa
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• Thinking Outside The Creek
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