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Small Mining Operations

A New Method for Handling Stubborn Gravity Middlings

The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.

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Nevada Miners: Check Your Claim Markers


The Nevada Senate introduced SB108 in 2009 to prohibit PVC piping utilized by miners to stake mining claims.

Care and Lubrication of a Model 13 Laboratory Wilfley Table


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.

Small-Scale Hard Rock Mining With Water Recycling


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.

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Options for affordable crushers for small mining operations

Spanish Gold Ledge Still Producing Gold


The Gold Eye placer claims, located in the La Cholla district of Arizona, are still producing some beautiful gold. From the days of the Spanish explorers and Mexican miners, men have tunneled into the earth in search of gold in this area.

Gold in Tertiary Gravels


In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.

Gold Recovery with Centrifugal Bowls


Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.

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