All Articles
Please note:
February 2003 by Staff
Due to technical difficulties, the online version of the February 2003 issue of ICMJ is currently unavailable. Please know we are working on this and will get the February issue uploaded as soon as possible. In the meantime, please enjoy the other issues of 2003! Thank you for your understanding! —ICMJAdditional articles that might interest you...
Critical Minerals: Tungsten
July 2017
Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.
How Much Gold Is In My Gold-Quartz Specimen?
June 2010
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
The Goldfield Mining District, Nevada—Part I
June 2017
An example of some of this extraordinary ore was a lot of about four tons from the Florence mine during the last days of a lease that averaged over 300 ounces of gold per ton.
Special Rock
December 2006
This “special” rock was much bigger and after having smashed it in half, and then in half again and again, a small gold nugget just sat there looking at me, still embedded in a small mix.
This “special” rock was much bigger and after having smashed it in half, and then in half again and again, a small gold nugget just sat there looking at me, still embedded in a small mix.
Company Notes
July 1999
• Round Mountain Gold
• Canyon Resources Corp.
• Hecla Mining Co.
• Tri-Valley Corp.
• Newmont Mining Corp.
• US Gold Corp.
• X-Cal Resources
• Pan American Silver Corp.
• Royal Gold
• Round Mountain Gold
• Canyon Resources Corp.
• Hecla Mining Co.
• Tri-Valley Corp.
• Newmont Mining Corp.
• US Gold Corp.
• X-Cal Resources
• Pan American Silver Corp.
• Royal Gold
Looking for that Hidden Placer
March 2013
I detect in a wide array of situations. I like to search for places that no one has been to. I really like to find areas that have never been worked at all.
I detect in a wide array of situations. I like to search for places that no one has been to. I really like to find areas that have never been worked at all.
Over The Divide: Miles John Mitchell
May 2017
Subscription Required:
Free:







