All Articles
Fire Agate in Arizona
June 2002 by Edgar B. Heylmun, PhD
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.Additional articles that might interest you...
Ask the Experts
April 2014
Bismuth oxide for assaying?
Bismuth oxide for assaying?
MMAC & PLP Update -- Rand Mining District Gets Organized
August 2015
The process of updating the Rand Mining District is underway and you’ll see a Public Notice in this issue requesting interested parties to submit an application to serve on the board.
The process of updating the Rand Mining District is underway and you’ll see a Public Notice in this issue requesting interested parties to submit an application to serve on the board.
Detector Prospecting Accessories
January 2016
One of the first things to consider but that many people ignore is ergonomics. Prospecting for gold can involve long hours, often for days or weeks on end.
One of the first things to consider but that many people ignore is ergonomics. Prospecting for gold can involve long hours, often for days or weeks on end.Drywashing and Detecting for Gold
October 2010
It
’s important to pay attention to where you dig, because just like any placer, the gold in dry placers is concentrated in certain spots. This is especially true when you are testing and trying to determine the potential of a placer area.
It
’s important to pay attention to where you dig, because just like any placer, the gold in dry placers is concentrated in certain spots. This is especially true when you are testing and trying to determine the potential of a placer area.
New Life for the Suction Nozzle
December 2003
The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a “log.” The main benefit of the log is that the operator only needs a suction hose with a short nozzle.
The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a “log.” The main benefit of the log is that the operator only needs a suction hose with a short nozzle.
Lawsuit to Challenge New Forest Service Regulations
August 2004
The Forest Service has been busy lately, promulgating rules and regulations that will negatively impact small miners and prospectors. Public Lands for the People (PLP) is taking action to put a stop to it.
The Forest Service has been busy lately, promulgating rules and regulations that will negatively impact small miners and prospectors. Public Lands for the People (PLP) is taking action to put a stop to it.
Legislative and Regulatory Update
November 2008
• BLM blocks Democrats
• PLP has their hands full representing miners
• BLM blocks Democrats
• PLP has their hands full representing miners
Subscription Required:
The Bawl Mill
• ICMJ Elected Prospecting Magazine of 2002
• Mining Investment—Or Fraud?
• Gold in Suriname
• Golden Age of Gold Dredges
• Prospecting With Limited Equipment
• Looking Back
• Beryllium in Utah
• Company Notes
• Picks & Pans: The Gold of "Eldorado Canyon"—Mariposa County, California
• The Canton Lead
• NAS Agrees to Review Superfund Science
• Tight Budgets Force Forest Service to Cut Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
