All Articles
Enrichment of Gold Veins
November 2000 by Edgar B. Heylmun, PhD
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Additional articles that might interest you...
Demand for Copper Boosts Zambian Mining
February 2007
Surging global demand for copper has breathed new life into the mining industry in Chingola, a short drive from the Congolese border on top of some of the richest copper deposits in the world.
Surging global demand for copper has breathed new life into the mining industry in Chingola, a short drive from the Congolese border on top of some of the richest copper deposits in the world.
Company Notes
February 2000
• Mountain Province Mining Inc.
• Shoreham Resources Ltd.
• Gemcom Software International
• Rio Tinto
• Mountain Province Mining Inc.
• Shoreham Resources Ltd.
• Gemcom Software International
• Rio Tinto
Lawsuit Update From the New 49'ers
December 2012
Many of you are aware that we have been engaged in litigation with anti-mining activists that have been attacking us through the Karuk Tribe of California since 2003. It all started with their lawsuit against the US Forest Service (USFS), challenging that District Rangers do not have the authority to allow small-scale mining activities under a Notice of Intent (NOI) when the Ranger concludes that the mining activity is not likely to create a substantial surface disturbance.
Many of you are aware that we have been engaged in litigation with anti-mining activists that have been attacking us through the Karuk Tribe of California since 2003. It all started with their lawsuit against the US Forest Service (USFS), challenging that District Rangers do not have the authority to allow small-scale mining activities under a Notice of Intent (NOI) when the Ranger concludes that the mining activity is not likely to create a substantial surface disturbance.
9th Circuit Court Hears Pilgrim Family Case
August 2005
An attorney for the Pilgrim family told federal appeals judges that the National Park Service has no right to conduct a formal environmental review or create other roadblocks before granting access to their land within a national park.
An attorney for the Pilgrim family told federal appeals judges that the National Park Service has no right to conduct a formal environmental review or create other roadblocks before granting access to their land within a national park.
Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams
February 2015
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.BLM Warning About Purchase of Mining Claims on the Internet
November 2004
In a dramatic reversal of policy the Bureau of Land Management (BLM) has posted the following on the huge internet auction house, eBay. Mining claims are currently being offered on eBay with prices ranging into the millions of dollars and apparently the BLM is concerned that many of these claims may not have mineral values that reflect their huge asking prices, be improperly filed, or have one or more of the many other problems that can affect mining claims.
In a dramatic reversal of policy the Bureau of Land Management (BLM) has posted the following on the huge internet auction house, eBay. Mining claims are currently being offered on eBay with prices ranging into the millions of dollars and apparently the BLM is concerned that many of these claims may not have mineral values that reflect their huge asking prices, be improperly filed, or have one or more of the many other problems that can affect mining claims.
Melman on Gold & Silver
March 2012
...here in America, another legislative financial crisis was averted as the National Debt limit was extended in January to $16.394 trillion. Only one year ago the authorized debt limit was a “mere” $14.294 trillion.
...here in America, another legislative financial crisis was averted as the National Debt limit was extended in January to $16.394 trillion. Only one year ago the authorized debt limit was a “mere” $14.294 trillion.
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