All Articles
The Eagle and High Peak Mines of Julian, California
September 2002 by Richard H. Peterson, PhD
At an altitude of over 4,000 feet, in the mountainous terrain of eastern San Diego County, lies the once productive Julian Mining District. Beginning with placer prospecting in 1869, this area moved rapidly into underground quartz or vein mining for gold.Additional articles that might interest you...
China Closing More Than 1,000 Mines
August 2016
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
Ask the Experts
December 2013
Ore testing and other advice for starting up a mining operation.
Ore testing and other advice for starting up a mining operation.
Prospecting for Hardrock Gold - Part II
April 2010
I finally managed to return to this exploration effort. There was still snow on the ground on the north side of the mountain where I started, but I knew the south side was likely melted and gold fever bit too hard to stay inside any longer.
I finally managed to return to this exploration effort. There was still snow on the ground on the north side of the mountain where I started, but I knew the south side was likely melted and gold fever bit too hard to stay inside any longer.
Company Finds Gold in Wyoming’s Rattlesnake Hills
September 2009
Wayne Sutherland, a metals, gemstones and economic geology specialist with the Wyoming State Geological Survey, said the initial exploration samples were significant.
Wayne Sutherland, a metals, gemstones and economic geology specialist with the Wyoming State Geological Survey, said the initial exploration samples were significant.
Melman on Gold & Silver
April 2012
One of the oldest sayings we all learned as children was “Water, water, everywhere, but not a drop to drink.” Following developments during the past month, we might rephrase that as “Questions, questions, everywhere, but not an answer to truly trust.”
One of the oldest sayings we all learned as children was “Water, water, everywhere, but not a drop to drink.” Following developments during the past month, we might rephrase that as “Questions, questions, everywhere, but not an answer to truly trust.”
Critical Metals: Antimony
June 2016
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
Solar Powered Placer Equipment
September 2006
Is three-dollar gas cutting into your gold prospecting? Tired of gas engine maintenance? Gas engine fumes and noise bothering you? Then go solar.
Is three-dollar gas cutting into your gold prospecting? Tired of gas engine maintenance? Gas engine fumes and noise bothering you? Then go solar.
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