Small Mining Operations
Conductive Minerals and Your Metal Detector
August 2014 by Chris Ralph
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
Additional articles that might interest you...
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.
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.
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.
Placer Channel Sampling
July 2013
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
Northwestern Alaska Mineral Resources
February 2016
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
The Hughes Creek Placers, Montana
April 2013
Gold discoveries in the Montana territories sparked a frantic stampede to these bonanza destinations in the early 1860s. Hughes Creek is located in Ravalli County, which is located in western Montana, and the gold here is...
Gold discoveries in the Montana territories sparked a frantic stampede to these bonanza destinations in the early 1860s. Hughes Creek is located in Ravalli County, which is located in western Montana, and the gold here is...
Mining on the Comstock Lode
July 2014
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
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