Small Mining Operations
Care and Lubrication of a Model 13 Laboratory Wilfley Table
June 2016 by Roger Neuscheler
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
Additional articles that might interest you...
Ask the Experts
March 2014
NOI or POO for small backhoe
NOI or POO for small backhoe
Gold in Guyana—Part I: Porknocking on the Puruni River Road
July 2012
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
Lode or Placer: What Difference Does It Make?
September 2014
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
Why Haven't They Mined This Claim?
May 2011
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Dredging Backwards?
October 2012
Before I tell you what dredging backwards is, I’ll tell you why my team and I decided to give this very unconventional dredging method a try.
Before I tell you what dredging backwards is, I’ll tell you why my team and I decided to give this very unconventional dredging method a try.
Tips for Cleaning Gold Nuggets
June 2019
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.
The Highs and Lows of Drywashing
August 2016
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
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