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Alluvial Fans
April 2002 by Edgar B. Heylmun, PhD
Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.Additional articles that might interest you...
Melman on Gold & Silver
January 2004
Last month saw a veritable mountain of good economic news come pouring out of government and industry. Industrial production was up; GDP rose strongly; unemployment rates came down; profits were up; consumer confidence readings rose; etc., etc., etc. And yet, strangely enough, the financial markets produced only a “molehill” of results.
Last month saw a veritable mountain of good economic news come pouring out of government and industry. Industrial production was up; GDP rose strongly; unemployment rates came down; profits were up; consumer confidence readings rose; etc., etc., etc. And yet, strangely enough, the financial markets produced only a “molehill” of results.
Deductions: Get 'Em While You Can
September 2011
...miners, prospectors and mining related businesses are discovering that capital investments in equipment, machinery and other business assets are more affordable today than ever before.
...miners, prospectors and mining related businesses are discovering that capital investments in equipment, machinery and other business assets are more affordable today than ever before.
Record Gold Prices Prompt Gold Mining In Boulder
June 2008
Nearly 150 years after gold was discovered in Boulder County along Gold Run Creek, a couple of old mines are slowly cranking back into operation now that excavating the slender veins of precious metal is profitable again.
Nearly 150 years after gold was discovered in Boulder County along Gold Run Creek, a couple of old mines are slowly cranking back into operation now that excavating the slender veins of precious metal is profitable again.
Ask The Experts: Nickel assays
March 2017
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
Picking Our Way Through Bedrock
December 2015
Once again the coil was put over the spot but the target was in the pile now. I pinpointed, grabbed a handful of dirt and began sprinkling it over the coil until I heard that mild thud.
Once again the coil was put over the spot but the target was in the pile now. I pinpointed, grabbed a handful of dirt and began sprinkling it over the coil until I heard that mild thud.
Legislative and Regulatory Update
August 2017
- Reminder: Annual claim fees due September 1, 2017
- Update on California suction gold dredging
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The Bawl Mill
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