All Articles
Why Do We Do The Things We Do?
September 2003 by Martin H. Milas
For years I had studied the tempting bench high above the East Fork of the San Gabriel River. A beautiful 20-foot vertical wall of encrusted boulders, cobbles and gravels beckoned to me 100 to 150 yards up a steep slope from the river bed. They were all very promising material. The kind of rounded curves that can charm so well, and tease a grown man into risking life and limb. So, on that nearly fatal day in May, I packed a spiral wheel...Additional articles that might interest you...
Placer Gemstones
December 2001
Only the so-called “precious gems” will be considered in this article. They are diamond, ruby, sapphire, and emerald. A “gem” must be rare, hard, and durable, and possess a unique color or quality in order to be classified as a gem.
Only the so-called “precious gems” will be considered in this article. They are diamond, ruby, sapphire, and emerald. A “gem” must be rare, hard, and durable, and possess a unique color or quality in order to be classified as a gem.
The Jenkins Mine Project—The Golden Rules of Science
August 2010
I wasn’t so hot in science class as a kid, and I’m regretting spending most of that time in class catching up on sleep or daydreaming about being a big league ball player. Never in a million years would I have guessed that science...
I wasn’t so hot in science class as a kid, and I’m regretting spending most of that time in class catching up on sleep or daydreaming about being a big league ball player. Never in a million years would I have guessed that science...
Ask the Experts
November 2007
Q: How do we get Congress to make up for some of their blunders and do something productive for a change, such as releasing those withdrawn WSAs?
Q: How do we get Congress to make up for some of their blunders and do something productive for a change, such as releasing those withdrawn WSAs?
Buyer Beware! Counterfeit Metal Detectors
August 2013
When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.
When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.
Glaciers and Placer Gold Deposits
June 2010
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.
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