All Articles
How Much Gold Is In My Gold-Quartz Specimen?
June 2010 by Chris Ralph
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.
Additional articles that might interest you...
Tools of the Modern Prospector: The GPS
July 2008
GPS provides the prospector a precise way of knowing just where something (like a mine) is located. There are many thousands of lost mine stories—some real, and some made up. The use of a GPS could well have made the difference to accurately record their location.
GPS provides the prospector a precise way of knowing just where something (like a mine) is located. There are many thousands of lost mine stories—some real, and some made up. The use of a GPS could well have made the difference to accurately record their location.
Ask the Experts
March 2014
Breaking cemented gravels
Breaking cemented gravels
2014 Index - Annual Tables of Content
December 2014
Critical Metals: Copper
May 2012
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Feds Deny Lease Renewals for Minnesota Mine
January 2017
Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…
Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…
History of Mining—Bradshaw Mountains, AZ (Part I)
November 2000
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Sluicing at Rocky Bar, Idaho
• Nine Pound Nugget Found In Northern California!
• Glaciers and Placer Gold Deposits
• Ask The Experts: Can you help me identify these items?
• Getting The Most Value From Your Gold-Quartz Specimens
• Highbanking and the House Rock
• Fix or Replace, Depreciate or Write-Off
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
Free:
Update on Oregon, Idaho and California Suction Dredge Permits
• ECU Silver Mining Continues The Legacy
